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1429251 ✓ 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 REDUCER,HOSE is a the manufacturer industrial component. Key specifications include end_item_identification: 2355-01-539-3639;LAV 25A2 AND 2355-01-539-3578, LIGHT ARMORED VEHICLE, LAV-MA2, part_name_assigned_by_controlling_agency: REDUCER. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-582-3382, 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
1429251
NSN: 4730-01-582-3382
FSC: 4730
CAGE: 75185 — LASCO FITTINGS INC (USA)
SPECIFICATIONS
end_item_identification2355-01-539-3639;LAV 25A2 AND 2355-01-539-3578, LIGHT ARMORED VEHICLE, LAV-MA2
part_name_assigned_by_controlling_agencyREDUCER
NSN4730-01-582-3382
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 1429251 · 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)
PART NAME ASSIGNED BY CONTROLLING AGENCYREDUCER
END ITEM IDENTIFICATION2355-01-539-3639;LAV 25A2 AND 2355-01-539-3578, LIGHT ARMORED VEHICLE, LAV-MA2
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
67AX163Interchangeable
interchangeable cross-reference
interchangeable
1306-BInterchangeable
interchangeable cross-reference
interchangeable
178851Interchangeable
interchangeable cross-reference
interchangeable
GGG-D-296Interchangeable
interchangeable cross-reference
interchangeable
1266Interchangeable
interchangeable cross-reference
interchangeable
C65612Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1429251?
1429251 is a REDUCER,HOSE.
What parts can replace 1429251?
There are 10 known substitutes for 1429251: 67AX163, 1306-B, 178851 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1429251?
1429251 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-582-3382. 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