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PartsTable / COMPONENT / AS5174-0604
AS5174-0604 ✓ 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,TUBE TO BOSS is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1137 OVERALL, reducer_type: CONCENTRIC, thread_class: 3A ALL ENDS A, connection_type: THREADED EXTERNAL BOSS ALL ENDS, connection_style: FLARED W/ GASKET SEAL (BOSS) ALL ENDS, surface_treatment: CADMIUM OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-187-3600, 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
AS5174-0604
NSN: 4730-00-187-3600
FSC: 4730
CAGE: 81343 — SOCIETY OF AUTOMOTIVE ENGINEERS INC (USA)
SPECIFICATIONS
materialSTEEL COMP 1137 OVERALL
reducer_typeCONCENTRIC
thread_class3A ALL ENDS A
connection_typeTHREADED EXTERNAL BOSS ALL ENDS
connection_styleFLARED W/ GASKET SEAL (BOSS) ALL ENDS
surface_treatmentCADMIUM OVERALL
nominal_thread_size0.438 INCHES SECOND END IN
nominal_overall_length1.406 INCHES IN
end_item_identificationA4 BRADLEY FIGHTING VEHICLE; A3 BRADLEY FIGHTING VEHICLE
thread_series_designatorUNF SECOND END
specification/standard_data88044-AN919 GOVERNMENT STANDARD
material_document_and_classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
NSN4730-00-187-3600
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: AS5174-0604 · 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
KEY FEATURES
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
•
SPECIFICATION/STANDARD DATA: 88044-AN919 GOVERNMENT STANDARD
•
SURFACE TREATMENT: CADMIUM OVERALL
•
MATERIAL: STEEL COMP 1137 OVERALL
•
CONNECTION STYLE: FLARED W/ GASKET SEAL (BOSS) ALL ENDS
•
NOMINAL OVERALL LENGTH: 1.406 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
SPECIFICATION/STANDARD DATA88044-AN919 GOVERNMENT STANDARD
SURFACE TREATMENTCADMIUM OVERALL
MATERIALSTEEL COMP 1137 OVERALL
SPECIFICATION/STANDARD DATA88044-AN919 GOVERNMENT STANDARD
CONNECTION STYLEFLARED W/ GASKET SEAL (BOSS) ALL ENDS
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL OVERALL LENGTH1.406 INCHES IN
NOMINAL THREAD SIZE0.438 INCHES SECOND END IN
NOMINAL THREAD SIZE0.562 INCHES FIRST END IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
451-0468Interchangeable
interchangeable cross-reference
interchangeable
6-4 070101Interchangeable
interchangeable cross-reference
interchangeable
MS24399-7Interchangeable
interchangeable cross-reference
interchangeable
81750-1Interchangeable
interchangeable cross-reference
interchangeable
AN919-6Interchangeable
Same NIIN cross-reference
interchangeable
A919-6Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AS5174-0604?
AS5174-0604 is a ADAPTER,STRAIGHT,TUBE TO BOSS.
What parts can replace AS5174-0604?
There are 7 known substitutes for AS5174-0604: 451-0468, 6-4 070101, MS24399-7 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AS5174-0604?
AS5174-0604 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-187-3600. 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