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Technical Data Sheet
PartsTable / COMPONENT / 54-B9438
54-B9438 ✓ 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 NIPPLE,PIPE is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-616-5411, 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
54-B9438
NSN: 4730-01-616-5411
FSC: 4730
CAGE: 28953 — RIX INDUSTRIES (USA)
SPECIFICATIONS
Part Number54-B9438
NSN4730-01-616-5411
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 54-B9438 · 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 8
379-44Interchangeable
interchangeable cross-reference
interchangeable
B9431Interchangeable
interchangeable cross-reference
interchangeable
54-2683Interchangeable
interchangeable cross-reference
interchangeable
54P-88FBUSInterchangeable
interchangeable cross-reference
interchangeable
54-2838Interchangeable
interchangeable cross-reference
interchangeable
40-B10688Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 54-B9438?
54-B9438 is a NIPPLE,PIPE.
What parts can replace 54-B9438?
There are 8 known substitutes for 54-B9438: 379-44, B9431, 54-2683 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 54-B9438?
54-B9438 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-616-5411. 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