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5165978 ✓ 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 material: STEEL OVERALL, seat_angle: 37.0 DEGREES FIRST END, thread_class: 2A FIRST END A, connection_type: THREADED EXTERNAL PIPE SECOND END, connection_style: FLARED (TUBE) FIRST END, nominal_thread_size: 0.375 INCHES SECOND END IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-942-9147, 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
5165978
NSN: 4730-00-942-9147
FSC: 4730
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL OVERALL
seat_angle37.0 DEGREES FIRST END
thread_class2A FIRST END A
connection_typeTHREADED EXTERNAL PIPE SECOND END
connection_styleFLARED (TUBE) FIRST END
nominal_thread_size0.375 INCHES SECOND END IN
nominal_overall_length1.430 INCHES IN
end_item_identificationFPF ADVANCED CRUISE MISSILE, ACM-129; 2320-01-097-0260 HEMTT (HEAVY EXPANDED MOBILITY TACTICAL TRUCKS) BAP
thread_series_designatorNPTF SECOND END
nondefinitive_spec/std_data2A FIGURE A
specification/standard_data81343-J514 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
nominal_outside_diameter_tube_accommodated0.250 INCHES FIRST END IN
NSN4730-00-942-9147
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 5165978 · 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
•
SPECIFICATION/STANDARD DATA: 81343-J514 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
CONNECTION STYLE: PLAIN (PIPE) SECOND END
•
NOMINAL OVERALL LENGTH: 1.430 INCHES IN
•
CONNECTION TYPE: THREADED EXTERNAL PIPE SECOND END
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: J514 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
•
NOMINAL THREAD SIZE: 0.438 INCHES FIRST END IN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
SPECIFICATION/STANDARD DATA81343-J514 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
CONNECTION STYLEPLAIN (PIPE) SECOND END
NOMINAL OVERALL LENGTH1.430 INCHES IN
CONNECTION TYPETHREADED EXTERNAL PIPE SECOND END
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONJ514 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
NOMINAL THREAD SIZE0.438 INCHES FIRST END IN
MATERIALSTEEL OVERALL
CONNECTION STYLEFLARED (TUBE) FIRST END
END ITEM IDENTIFICATIONFPF ADVANCED CRUISE MISSILE, ACM-129; 2320-01-097-0260 HEMTT (HEAVY EXPANDED MOBILITY TACTICAL TRUCKS) BAP
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
0-10364Interchangeable
interchangeable cross-reference
interchangeable
K2067Interchangeable
interchangeable cross-reference
interchangeable
10364Interchangeable
interchangeable cross-reference
interchangeable
09549CInterchangeable
interchangeable cross-reference
interchangeable
9549CInterchangeable
interchangeable cross-reference
interchangeable
2021-6-4SInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5165978?
5165978 is a ADAPTER,STRAIGHT,PIPE TO TUBE.
What parts can replace 5165978?
There are 17 known substitutes for 5165978: 0-10364, K2067, 10364 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5165978?
5165978 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-942-9147. 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