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PartsTable / COMPONENT / B5083-G501
B5083-G501 ✓ 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, overall_length: 1.656 INCHES NOMINAL IN, connection_type: INTERNAL QUICK DISCONNECT ALL ENDS, connection_style: PLAIN ALL ENDS, style_designator: MALE COUPLING HALF, nominal_thread_size: 0.250 INCHES ALL ENDS 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 4730-01-307-3665, 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
B5083-G501
NSN: 4730-01-307-3665
FSC: 4730
CAGE: 22501 — HOWELL LABORATORIES INC DBA HOWELL LABORATORIES INC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING BODY
overall_length1.656 INCHES NOMINAL IN
connection_typeINTERNAL QUICK DISCONNECT ALL ENDS
connection_stylePLAIN ALL ENDS
style_designatorMALE COUPLING HALF
nominal_thread_size0.250 INCHES ALL ENDS IN
quick_disconnect_methodPUSH-PULL ALL ENDS
thread_series_designatorNPT ALL ENDS
quick_disconnect_nominal_size0.125 INCHES ALL ENDS IN
NSN4730-01-307-3665
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: B5083-G501 · 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
•
NOMINAL THREAD SIZE: 0.250 INCHES ALL ENDS IN
•
QUICK DISCONNECT NOMINAL SIZE: 0.125 INCHES ALL ENDS IN
•
MATERIAL: STEEL CORROSION RESISTING BODY
•
CONNECTION STYLE: PLAIN ALL ENDS
•
QUICK DISCONNECT METHOD: PUSH-PULL ALL ENDS
•
STYLE DESIGNATOR: MALE COUPLING HALF
•
CONNECTION TYPE: INTERNAL QUICK DISCONNECT ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD SIZE0.250 INCHES ALL ENDS IN
QUICK DISCONNECT NOMINAL SIZE0.125 INCHES ALL ENDS IN
MATERIALSTEEL CORROSION RESISTING BODY
CONNECTION STYLEPLAIN ALL ENDS
QUICK DISCONNECT METHODPUSH-PULL ALL ENDS
STYLE DESIGNATORMALE COUPLING HALF
CONNECTION TYPEINTERNAL QUICK DISCONNECT ALL ENDS
CONNECTION TYPETHREADED INTERNAL PIPE FIRST FLUID END CONNECTION
OVERALL LENGTH1.656 INCHES NOMINAL IN
THREAD SERIES DESIGNATORNPT ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
508621Interchangeable
interchangeable cross-reference
interchangeable
232-AF 25FT1-3/4"WIDTH3/16"THICKInterchangeable
interchangeable cross-reference
interchangeable
A-A-52522Interchangeable
interchangeable cross-reference
interchangeable
508301Interchangeable
interchangeable cross-reference
interchangeable
368813R1Interchangeable
interchangeable cross-reference
interchangeable
11587Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B5083-G501?
B5083-G501 is a COUPLING HALF,QUICK DISCONNECT.
What parts can replace B5083-G501?
There are 16 known substitutes for B5083-G501: 508621, 232-AF 25FT1-3/4"WIDTH3/16"THICK, A-A-52522 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B5083-G501?
B5083-G501 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-307-3665. 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