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Product

shipboard & offshore power cable MIL-DTL-24643C600/1000 V (-40 to +105 °C)Cross-Linked LSZH Outer Jacket (U)

MIL-DTL-24643/14, /19 & /22 (LSSSGU / LSTSWA / LSMSWU) 600/1000 V Watertight Naval Shipboard CableMIL-DTL-24643C — 600/1000 V — -40 to +105 °C Marine & Offshore Cable

MIL-DTL-24643/14, /19 & /22 (LSSSGU, LSSSGA, LSTSWA & LSMSWU) 600V/1000V Watertight Silicone/XLPO-Insulated Aluminum-Braid Armoured Low-Smoke Zero-Halogen Naval Shipboard Cable (MIL-DTL-24643C, 600/1000 V, -40 to +105 °C).

Flame-retardant

EMC screen

Oil-resistant

Approved

Configuration

Order designation: MIL-DTL-24643 4G2.5 mm²
Outer Ø ≈: 13.2 mm
Net weight ≈: 275 kg/km
Tensile rating ≈: 1.5 kN
Core / stranding: IEC 60228 Class 2/5 Cu/SnCu

All sizes (3)

Request a quote Datasheet WhatsApp info@tebaoflex.com

Engineering reply in 2 business hoursCut-to-length export drumsEN 10204 3.1 certificate per drum

Rated voltage: 600/1000 V
Operating temp.: −40…+105 °C
Min. bend radius: 8 × OD
Core / conductor: Water-Blocked Ti
Outer protection: Cross-Linked LSZ
Standard: MIL-DTL-24643C

Typical values for this cable type, based on US Navy MIL-DTL-24643/14 (LSSSGU/A), /19 (LSTSWA) & /22 (LSMSWU) Watertight — confirmed in the datasheet and quotation for your order.

Application fit

Is MIL-DTL-24643/14, /19 & /22 (LSSSGU / LSTSWA / LSMSWU) right for your machine?

Offshore platform & shipboard deck trays

Suitable

Halogen-free SHF1/SHF2 or mud-resistant thermoset jacket withstands marine salt mist, oil and deck weathering.

Fixed installation

Suitable

Approved for bulkheads, cable trays, ladders and hull penetrations on commercial vessels and offshore units.

Drilling jumbo & rotary mast feed

Suitable

Metallic braid armour and cross-linked EPR/XLPE/XLPO insulation handle heavy mechanical and thermal duty.

Motor stator, traction & converter leads

Suitable

Stranded copper or tinned copper conductors terminate cleanly into marine switchboards, thrusters and transformers.

Energy chain / drag chain

Not suitable

Armoured shipboard and offshore feeder cable is not designed for high-cycle automation drag chains.

Use Drag-Chain Servo Cable

Typical machinesMarine & Offshore CableCommercial Vessels & Cruise ShipsOffshore Oil & Gas Platforms (FPSO)Jack-Up & Semi-Submersible Drilling RigsNaval Surface Vessels & Submarines

Construction

Layer by layer

Shown: MIL-DTL-24643/14, /19 & /22 (LSSSGU / LSTSWA / LSMSWU) (US Navy MIL-DTL-24643/14 (LSSSGU/A), /19 (LSTSWA) & /22 (LSMSWU) Watertight) featuring water-blocked tinned copper conductors, cross-linked polyolefin / silicone insulation and cross-linked lszh outer jacket (u) (5-layer construction).

Schematic, not to scale — generated from the layer data

#	Layer	Material & reference
1	Water-Blocked Tinned Copper Conductors	Stranded tinned copper filled with water-blocking compound
2	Cross-Linked Polyolefin / Silicone Insul	XLPO (19, /22) or fire-resistant silicone glass (14 LSSSGU) insulation
3	Longitudinal Watertight Interstitial Fil	100% void-free water-blocking compound preventing compartment flooding
4	Braided Aluminum Wire Armour (A)	Lightweight corrosion-resistant aluminum wire braid mechanical armour
5	Cross-Linked LSZH Outer Jacket (U)	Low-smoke zero-halogen cross-linked polyolefin naval sheath

MIL-DTL-24643/14, /19 & /22 (LSSSGU / LSTSWA / LSMSWU) — Standard Shipboard & Offshore Execution

Built to US Navy MIL-DTL-24643/14 (LSSSGU/A), /19 (LSTSWA) & /22 (LSMSWU) Watertight with water-blocked tinned copper conductors and cross-linked lszh outer jacket (u)

MIL-DTL-24643/14, /19 & /22 (LSSSGU / LSTSWA / LSMSWU) — Custom Drum Length & Gland Kit

Available in custom continuous shipboard/offshore drum lengths or with marine EMC cable glands

MIL-DTL-24643/14, /19 & /22 (LSSSGU / LSTSWA / LSMSWU) — Class & Routine Test Certified

Supplied with EN 10204 3.1 routine dielectric, conductor resistance & flame/fire test report

Technical data

Ratings & operating limits

Typical values: Typical values for this cable type, based on US Navy MIL-DTL-24643/14 (LSSSGU/A), /19 (LSTSWA) & /22 (LSMSWU) Watertight. Values for your order are confirmed in the datasheet and quotation.

Electrical

Rated voltage / transmission duty: 600/1000 V (US Navy MIL-DTL-24643/14 (LSSSGU/A), /19 (LSTSWA) & /22 (LSMSWU) Watertight)
Core / conductor construction: Water-Blocked Tinned Copper Conductors — Stranded tinned copper filled with water-blocking compound
Primary dielectric / buffering: Cross-Linked Polyolefin / Silicone Insulation — XLPO (19, /22) or fire-resistant silicone glass (14 LSSSGU) insulation

Thermal

Continuous operating temperature: −40…+105 °C (shipboard & offshore duty)
Short-circuit / peak thermal rating: Verified thermal stability per US Navy MIL-DTL-24643/14 (LSSSGU/A), /19 (LSTSWA) & /22 (LSMSWU) Watertight
Storage & transport temperature: −40…+80 °C on export wooden/steel drum

Mechanical

Outer protection / armouring: Cross-Linked LSZH Outer Jacket (U) — Low-smoke zero-halogen cross-linked polyolefin naval sheath
Minimum bending radius: 8 × OD
Armour, screen & mechanical duty: Braided Aluminum Wire Armour (A) — Lightweight corrosion-resistant aluminum wire braid mechanical armour

Resistance

Flame, fire & smoke performance: Qualified for marine flame-retardance and low-smoke zero-halogen / fire safety per US Navy MIL-DTL-24643/14 (LSSSGU/A), /19 (LSTSWA) & /22 (LSMSWU) Watertight
Oil, drilling mud & seawater resistance: Resistant to marine fuel/lube oils, salt mist and offshore fluids per US Navy MIL-DTL-24643/14 (LSSSGU/A), /19 (LSTSWA) & /22 (LSMSWU) Watertight
RoHS & REACH compliance: RoHS 2 (2011/65/EU + 2015/863) & REACH SVHC compliant

Reference standards

Governing standard: US Navy MIL-DTL-24643/14 (LSSSGU/A), /19 (LSTSWA) & /22 (LSMSWU) Watertight
Environmental & test standards: IEC 60228 / IEC 60332-3-22 / IEC 60754 / IEC 61034 / EN 10204
Quality management & inspection: ISO 9001:2015 & EN 10204 3.1 factory routine inspection

Identification

Model designation: MIL-DTL-24643/14, /19 & /22 (LSSSGU / LSTSWA / LSMSWU)
Sheath colour & metre marking: Continuous metre-marked black outer finish (Cross-Linked LSZ)
Customs tariff (HS): 8544.49 / 8544.60 / 8544.70

Sizes

3 standard MIL-DTL-24643/14, /19 & /22 (LSSSGU / LSTSWA / LSMSWU) shipboard & offshore configurations

Manufactured to US Navy MIL-DTL-24643/14 (LSSSGU/A), /19 (LSTSWA) & /22 (LSMSWU) Watertight for shipboard, offshore platform, drilling rig and marine applications.

Dimensions, tensile load & weights
Order designation	Configuration	Core / stranding	Outer Ø ≈ mm	Net weight ≈ kg/km	Tensile rating kN ≈	Min. bend R mm
MIL-DTL-24643/14, /19 & /22 (LSSSGU / LSTSWA / LSMSWU) Construction Schedule (−40…+105 °C)
MIL-DTL-24643 4G2.5 mm²	4 × 2.5 mm² (or 4C × 14 AWG)	IEC 60228 Class 2/5 Cu/SnCu	13.2	275	1.5	80
MIL-DTL-24643 7G2.5 mm²	7 × 2.5 mm² (or 7C × 14 AWG)	IEC 60228 Class 2/5 Cu/SnCu	15.8	415	2.6	95
MIL-DTL-24643 12G1.5 mm²	12 × 1.5 mm² (or 12C × 16 AWG)	IEC 60228 Class 2/5 Cu/SnCu	17.4	495	2.7	105

Typical values for this cable type; dimensions and weights for your order are confirmed in the quotation.
Custom core cross-sections, pair/fibre counts, armour grades and factory drum lengths available per US Navy MIL-DTL-24643/14 (LSSSGU/A), /19 (LSTSWA) & /22 (LSMSWU) Watertight.

Electrical, optical & thermal parameters
Configuration	Max. DC R₂₀ / Atten. Ω/km or dB/km	Rating / Impedance	Operating temp.
4 × 2.5 mm² (or 4C × 14 AWG)	7.98	600/1000 V (26 A)	−40…+105 °C
7 × 2.5 mm² (or 7C × 14 AWG)	7.98	600/1000 V (21 A)	−40…+105 °C
12 × 1.5 mm² (or 12C × 16 AWG)	13.30	600/1000 V (14 A)	−40…+105 °C

Every production length undergoes routine conductor DC resistance, high-voltage dielectric or OTDR continuity and dimensional verification.

Quality & approvals

Testing & inspection

Routine tests on every production length, sample and type tests per batch — documented on an EN 10204 3.1 inspection certificate.

ConductorClass 5 stranding
Spark test100 % in-line
Lay-upCores, earth, fillers
SheathingInner, braid / screen, outer
Electrical testsAC voltage, resistance
DimensionsOD, wall thickness
Inspection documents & dispatchDrum & dispatch

Testing & inspection	Test value / reference	Frequency
Routine tests
Conductor resistance, continuity & dimensional verification (US Navy MIL-DTL-24643/14 (LSSSGU/A), /19 (LSTSWA) & /22 (LSMSWU) Watertight)	DC resistance at 20 °C / optical attenuation and outer diameter within US Navy MIL-DTL-24643/14 (LSSSGU/A), /19 (LSTSWA) & /22 (LSMSWU) Watertight tolerances	Every manufactured drum length
High-voltage dielectric & insulation resistance test (US Navy MIL-DTL-24643/14 (LSSSGU/A), /19 (LSTSWA) & /22 (LSMSWU) Watertight)	Zero dielectric breakdown and verified insulation resistance for 600/1000 V rating	Every manufactured drum length
Sample tests
Flame, fire integrity, oil/mud & mechanical qualification (US Navy MIL-DTL-24643/14 (LSSSGU/A), /19 (LSTSWA) & /22 (LSMSWU) Watertight)	Verified flame/fire performance, fluid resistance and thermal stability across −40…+105 °C	Type qualification & periodic lot audit

Inspection certificate

Issued with every drum, listing the routine test results for that length.

Product approvals

MIL-DTL-24643C CompliantEN 10204 3.1 Factory Test CertificateCE, RoHS 2 (2011/65/EU) & REACH

Company certificates

ISO 9001ISO 14001ISO 45001VDE marks approvalUL / cULCE · LVD / EMC

Marking & supply

Ordering & delivery

Sheath marking

TEBAOFLEX MIL-DTL-24643/14, /19 & /22 (LSSSGU / LSTSWA / LSMSWU) MIL-DTL-24643C 600/1000 V CE

Delivery form: Heavy-duty export fumigated wooden drums or steel marine reels
Standard lengths: 500 m, 1,000 m or custom continuous shipboard/offshore lengths
MOQ: 100 m (standard configurations) · 500 m (custom builds)
Lead time: 2–5 weeks ex-works
Incoterms: EXW, FCA, FOB, CIF, DAP

Technical documents

Downloads

PDFMIL-DTL-24643/14, /19 & /22 (LSSSGU / LSTSWA / LSMSWU) 600/1000 V Wate – technical datasheet3 sizes · construction, technical data, approvals XLSXMIL-DTL-24643/14, /19 & /22 (LSSSGU / LSTSWA / LSMSWU) spec data (Excel)All 3 sizes with dimensions and data, for your BOM or quotation

Revision: 2026-10-25
Updated: 2026-10-25

FAQ

Questions engineers ask first

Not covered here? Send your drawing — an engineer replies within 2 business hours.

What governing standard and construction define MIL-DTL-24643/14, /19 & /22 (LSSSGU / LSTSWA / LSMSWU) (MIL-DTL-24643/14, /19 & /22 (LSSSGU / LSTSWA / LSMSWU) 600/1000 V Watertight Naval Shipboard Cable)?

MIL-DTL-24643/14, /19 & /22 (LSSSGU / LSTSWA / LSMSWU) (MIL-DTL-24643/14, /19 & /22 (LSSSGU / LSTSWA / LSMSWU) 600/1000 V Watertight Naval Shipboard Cable) is manufactured in accordance with US Navy MIL-DTL-24643/14 (LSSSGU/A), /19 (LSTSWA) & /22 (LSMSWU) Watertight for 600/1000 V service over -40 to +105 °C. Its 5-layer construction comprises water-blocked tinned copper conductors, cross-linked polyolefin / silicone insulation and cross-linked lszh outer jacket (u).

What is the minimum bending radius and operating temperature range for MIL-DTL-24643/14, /19 & /22 (LSSSGU / LSTSWA / LSMSWU)?

The minimum bending radius for MIL-DTL-24643/14, /19 & /22 (LSSSGU / LSTSWA / LSMSWU) is 8 × OD across its continuous operating temperature range of -40 to +105 °C, ensuring mechanical and dielectric reliability in shipboard and offshore service.

How are the concentric layers of MIL-DTL-24643/14, /19 & /22 (LSSSGU / LSTSWA / LSMSWU) arranged from inside to outside?

From inside to outside, the construction sequence is: (01) Water-Blocked Tinned Copper Conductors — Stranded tinned copper filled with water-blocking compound; (02) Cross-Linked Polyolefin / Silicone Insulation — XLPO (19, /22) or fire-resistant silicone glass (14 LSSSGU) insulation; (03) Longitudinal Watertight Interstitial Fill — 100% void-free water-blocking compound preventing compartment flooding; (04) Braided Aluminum Wire Armour (A) — Lightweight corrosion-resistant aluminum wire braid mechanical armour; (05) Cross-Linked LSZH Outer Jacket (U) — Low-smoke zero-halogen cross-linked polyolefin naval sheath.

What factory test certificates are supplied with MIL-DTL-24643/14, /19 & /22 (LSSSGU / LSTSWA / LSMSWU)?

Every production drum of MIL-DTL-24643/14, /19 & /22 (LSSSGU / LSTSWA / LSMSWU) undergoes routine conductor resistance/continuity, high-voltage dielectric and dimensional testing per US Navy MIL-DTL-24643/14 (LSSSGU/A), /19 (LSTSWA) & /22 (LSMSWU) Watertight, and is delivered with an EN 10204 3.1 factory test certificate.

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01Selected sizes

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02Reel & motion

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03Message for our engineers

MIL-DTL-24643/14, /19 & /22 (LSSSGU / LSTSWA / LSMSWU) 600/1000 V Watertight Naval Shipboard Cable

Selected sizes:


Reel & motion:
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- Max. acceleration: 
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- Length and quantity: 
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