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Technical Data Sheet
PartsTable / COMPONENT / 2914555-1
2914555-1 ✓ 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 COUPLING HALF,QUICK DISCONNECT is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING BODY, leg_length: 0.575 INCHES NOMINAL IN, thread_class: 3A ALL ENDS A, overall_length: 1.793 INCHES NOMINAL IN, connection_type: THREADED EXTERNAL BOSS FIRST FLUID END CONNECTION, connection_style: EXTERNAL SEAT FOR GASKET SEAL ALL ENDS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-074-6065, 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
2914555-1
NSN: 4730-01-074-6065
FSC: 4730
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING BODY
leg_length0.575 INCHES NOMINAL IN
thread_class3A ALL ENDS A
overall_length1.793 INCHES NOMINAL IN
connection_typeTHREADED EXTERNAL BOSS FIRST FLUID END CONNECTION
connection_styleEXTERNAL SEAT FOR GASKET SEAL ALL ENDS
style_designatorMALE COUPLING HALF
features_providedSELF-SEALING
surface_treatmentPASSIVATE BODY
nominal_thread_size0.438 INCHES ALL ENDS IN
quick_disconnect_methodPUSH-PULL ALL ENDS
thread_series_designatorUNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS
NSN4730-01-074-6065
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 2914555-1 · 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
KEY FEATURES
•
SURFACE TREATMENT: PASSIVATE BODY
•
FEATURES PROVIDED: SELF-SEALING
•
CONNECTION STYLE: EXTERNAL SEAT FOR GASKET SEAL ALL ENDS
•
LEG LENGTH: 0.575 INCHES NOMINAL IN
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS
•
NOMINAL THREAD SIZE: 0.438 INCHES ALL ENDS IN
•
CONNECTION TYPE: EXTERNAL QUICK DISCONNECT ALL ENDS
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE BODY
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTPASSIVATE BODY
FEATURES PROVIDEDSELF-SEALING
CONNECTION STYLEEXTERNAL SEAT FOR GASKET SEAL ALL ENDS
LEG LENGTH0.575 INCHES NOMINAL IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS
NOMINAL THREAD SIZE0.438 INCHES ALL ENDS IN
CONNECTION TYPEEXTERNAL QUICK DISCONNECT ALL ENDS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE BODY
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-764,TYPE 303,CONDITION A FED SPEC SINGLE MATERIAL RESPONSE BODY
CONNECTION TYPETHREADED EXTERNAL BOSS FIRST FLUID END CONNECTION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
254W4Interchangeable
interchangeable cross-reference
interchangeable
7521156Interchangeable
interchangeable cross-reference
interchangeable
T39Interchangeable
interchangeable cross-reference
interchangeable
914555Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2914555-1?
2914555-1 is a COUPLING HALF,QUICK DISCONNECT.
What parts can replace 2914555-1?
There are 4 known substitutes for 2914555-1: 254W4, 7521156, T39 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2914555-1?
2914555-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-074-6065. 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