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PartsTable / COMPONENT / B12619-1
B12619-1 ✓ 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 ADAPTER,STRAIGHT,PIPE TO TUBE is a the manufacturer industrial component. Key specifications include end_item_identification: LOS ANGELES CLASS SSN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-437-4263, 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
B12619-1
NSN: 4730-01-437-4263
FSC: 4730
CAGE: 04577 — MISSION SYSTEMS ORCHARD PARK INC (USA)
SPECIFICATIONS
end_item_identificationLOS ANGELES CLASS SSN
NSN4730-01-437-4263
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: B12619-1 · 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
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONLOS ANGELES CLASS SSN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
128B1-4INX1-8INInterchangeable
interchangeable cross-reference
interchangeable
3404X2Interchangeable
interchangeable cross-reference
interchangeable
SAE J514 4-2 140239BInterchangeable
interchangeable cross-reference
interchangeable
B11443-3 ITEM 04Interchangeable
Same NIIN cross-reference
interchangeable
SAE-J514Interchangeable
Same NIIN cross-reference
interchangeable
SAE-J514-3Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B12619-1?
B12619-1 is a ADAPTER,STRAIGHT,PIPE TO TUBE.
What parts can replace B12619-1?
There are 6 known substitutes for B12619-1: 128B1-4INX1-8IN, 3404X2, SAE J514 4-2 140239B and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B12619-1?
B12619-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-437-4263. 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