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Technical Data Sheet
PartsTable / COMPONENT / 9379-4318 ITEM 2
9379-4318 ITEM 2 ✓ 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 TAILPIECE,UNION 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 4730-01-386-9871, 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
9379-4318 ITEM 2
NSN: 4730-01-386-9871
FSC: 4730
CAGE: 94592 — FLUID CONDITIONING PRODUCTS, INC. (USA)
SPECIFICATIONS
Part Number9379-4318 ITEM 2
NSN4730-01-386-9871
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 9379-4318 ITEM 2 · 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 6
9379-4318Interchangeable
interchangeable cross-reference
interchangeable
9379-4318 ITEM 14Interchangeable
interchangeable cross-reference
interchangeable
9056-4681Interchangeable
interchangeable cross-reference
interchangeable
8350-4002Interchangeable
interchangeable cross-reference
interchangeable
9379-4318 ITEM 13Interchangeable
interchangeable cross-reference
interchangeable
2440-4271Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 9379-4318 ITEM 2?
9379-4318 ITEM 2 is a TAILPIECE,UNION.
What parts can replace 9379-4318 ITEM 2?
There are 6 known substitutes for 9379-4318 ITEM 2: 9379-4318, 9379-4318 ITEM 14, 9056-4681 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 9379-4318 ITEM 2?
9379-4318 ITEM 2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-386-9871. 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