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PartsTable / COMPONENT / AA50431-OFBZC10
AA50431-OFBZC10 ✓ 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: COPPER ALLOY BODY, leg_length: 0.625 INCHES NOMINAL IN, overall_length: 2.000 INCHES NOMINAL IN, connection_type: THREADED EXTERNAL PIPE FIRST FLUID END CONNECTION, connection_style: PLAIN ALL ENDS, style_designator: MALE COUPLING HALF. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-277-5680, 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
AA50431-OFBZC10
NSN: 4730-00-277-5680
FSC: 4730
CAGE: 58536 — FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
materialCOPPER ALLOY BODY
leg_length0.625 INCHES NOMINAL IN
overall_length2.000 INCHES NOMINAL IN
connection_typeTHREADED EXTERNAL PIPE FIRST FLUID END CONNECTION
connection_stylePLAIN ALL ENDS
style_designatorMALE COUPLING HALF
nominal_thread_size0.500 INCHES ALL ENDS IN
end_item_identificationNAVAL APPLICATIONS
quick_disconnect_methodTWIST-LOCK ALL ENDS
thread_series_designatorNPT ALL ENDS
nondefinitive_spec/std_dataOF CLASS
quick_disconnect_nominal_size0.781 INCHES ALL ENDS IN
NSN4730-00-277-5680
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: AA50431-OFBZC10 · 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
•
CONNECTION TYPE: INTERNAL QUICK DISCONNECT ALL ENDS
•
QUICK DISCONNECT NOMINAL SIZE: 0.781 INCHES ALL ENDS IN
•
QUICK DISCONNECT METHOD: TWIST-LOCK ALL ENDS
•
LEG LENGTH: 0.625 INCHES NOMINAL IN
•
THREAD SERIES DESIGNATOR: NPT ALL ENDS
•
STYLE DESIGNATOR: MALE COUPLING HALF
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION TYPEINTERNAL QUICK DISCONNECT ALL ENDS
QUICK DISCONNECT NOMINAL SIZE0.781 INCHES ALL ENDS IN
END ITEM IDENTIFICATIONNAVAL APPLICATIONS
QUICK DISCONNECT METHODTWIST-LOCK ALL ENDS
LEG LENGTH0.625 INCHES NOMINAL IN
THREAD SERIES DESIGNATORNPT ALL ENDS
CONNECTION TYPETHREADED EXTERNAL PIPE FIRST FLUID END CONNECTION
STYLE DESIGNATORMALE COUPLING HALF
MATERIALCOPPER ALLOY BODY
NOMINAL THREAD SIZE0.500 INCHES ALL ENDS IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
MILC3486Interchangeable
interchangeable cross-reference
interchangeable
AA50431Interchangeable
interchangeable cross-reference
interchangeable
AA50431-OMBZE10Interchangeable
interchangeable cross-reference
interchangeable
75-B-YM-IIInterchangeable
interchangeable cross-reference
interchangeable
A-A-50431AInterchangeable
interchangeable cross-reference
interchangeable
AA50431-HFBZB00Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AA50431-OFBZC10?
AA50431-OFBZC10 is a COUPLING HALF,QUICK DISCONNECT.
What parts can replace AA50431-OFBZC10?
There are 15 known substitutes for AA50431-OFBZC10: MILC3486, AA50431, AA50431-OMBZE10 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AA50431-OFBZC10?
AA50431-OFBZC10 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-277-5680. 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