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Technical Data Sheet
PartsTable / COMPONENT / 81981260038
81981260038 ✓ Verified by PartsTable
— · HOSE FITTING
WHAT YOU NEED TO KNOW
PTFE tape on tapered threads (NPT/BSPT) JIC/AN flare connections seal metal-to-metal — no tape
NPT != BSPT — look identical, NOT interchangeable
PRODUCT OVERVIEW

The COUPLING HALF,SELF-SEALING is a the manufacturer industrial component. Key specifications include material: RUBBER SYNTHETIC OVERALL, thickness: 0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN, body_style: TERMINAL MOUNTED, hole_diameter: 0.368 INCHES MINIMUM AND 0.378 INCHES MAXIMUM IN, overall_width: 0.156 INCHES NOMINAL IN, terminal_type: TAB, SOLDER LUG. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-784-8180, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
81981260038
NSN: 4730-00-784-8180
FSC: 4730
CAGE: D3273 — MAN TRUCK & BUS SE (DEU)
SPECIFICATIONS
materialRUBBER SYNTHETIC OVERALL
thickness0.026 INCHES MINIMUM AND 0.036 INCHES MAXIMUM IN
body_styleTERMINAL MOUNTED
hole_diameter0.368 INCHES MINIMUM AND 0.378 INCHES MAXIMUM IN
overall_width0.156 INCHES NOMINAL IN
terminal_typeTAB, SOLDER LUG
overall_height0.386 INCHES NOMINAL IN
overall_length0.460 INCHES NOMINAL IN
terminal_length0.156 INCHES NOMINAL IN
overall_diameter0.870 INCHES NOMINAL IN
precious_materialGOLD
surface_treatmentGOLD SPRING
NSN4730-00-784-8180
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 81981260038 · OEM ⚠ VERIFY BEFORE ORDERING NPT ≠ BSPT — tapered threads look identical but are NOT interchangeable. Wrong thread = leak. JIC (37°) ≠ AN (37°) ≠ SAE 45° — flare angles must match exactly. Measure thread pitch with gauge — visual identification is unreliable ✓ BROKER TIP Always use thread sealant (PTFE tape or pipe compound) on tapered threads (NPT/BSPT). JIC/AN flare fittings seal metal-to-metal — never use tape on flare connections PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
TJ51-5Interchangeable
interchangeable cross-reference
interchangeable
A42494-1-5Interchangeable
interchangeable cross-reference
interchangeable
325GREENInterchangeable
interchangeable cross-reference
interchangeable
1555715Interchangeable
interchangeable cross-reference
interchangeable
8353345Interchangeable
interchangeable cross-reference
interchangeable
500797Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 81981260038?
81981260038 is a COUPLING HALF,SELF-SEALING.
What parts can replace 81981260038?
There are 19 known substitutes for 81981260038: TJ51-5, A42494-1-5, 325GREEN and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 81981260038?
81981260038 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-784-8180. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026