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Technical Data Sheet
PartsTable / COMPONENT / 51885-B
51885-B ✓ 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, connection_type: UNTHREADED EXTERNAL HOSE FIRST FLUID END CONNECTION, connection_style: BARBED OR SERRATED END ALL ENDS, style_designator: MALE COUPLING HALF, quick_disconnect_method: TWIST-LOCK ALL ENDS, quick_disconnect_nominal_size: 0.625 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 4730-01-276-5963, 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
51885-B
NSN: 4730-01-276-5963
FSC: 4730
CAGE: 54214 — BOWES MFG INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY BODY
connection_typeUNTHREADED EXTERNAL HOSE FIRST FLUID END CONNECTION
connection_styleBARBED OR SERRATED END ALL ENDS
style_designatorMALE COUPLING HALF
quick_disconnect_methodTWIST-LOCK ALL ENDS
quick_disconnect_nominal_size0.625 INCHES ALL ENDS IN
nominal_inside_diameter_hose_accommodated0.625 INCHES ALL ENDS IN
NSN4730-01-276-5963
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 51885-B · 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 METHOD: TWIST-LOCK ALL ENDS
•
STYLE DESIGNATOR: MALE COUPLING HALF
•
MATERIAL: COPPER ALLOY BODY
•
QUICK DISCONNECT NOMINAL SIZE: 0.625 INCHES ALL ENDS IN
•
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED: 0.625 INCHES ALL ENDS IN
•
CONNECTION STYLE: BARBED OR SERRATED END ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION TYPEINTERNAL QUICK DISCONNECT ALL ENDS
CONNECTION TYPEUNTHREADED EXTERNAL HOSE FIRST FLUID END CONNECTION
QUICK DISCONNECT METHODTWIST-LOCK ALL ENDS
STYLE DESIGNATORMALE COUPLING HALF
MATERIALCOPPER ALLOY BODY
QUICK DISCONNECT NOMINAL SIZE0.625 INCHES ALL ENDS IN
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED0.625 INCHES ALL ENDS IN
CONNECTION STYLEBARBED OR SERRATED END ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
3050-B-1Interchangeable
interchangeable cross-reference
interchangeable
14336-002Interchangeable
interchangeable cross-reference
interchangeable
55025000-002Interchangeable
interchangeable cross-reference
interchangeable
LW1458-1Interchangeable
interchangeable cross-reference
interchangeable
293BC440031-19Interchangeable
interchangeable cross-reference
interchangeable
51885Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 51885-B?
51885-B is a COUPLING HALF,QUICK DISCONNECT.
What parts can replace 51885-B?
There are 8 known substitutes for 51885-B: 3050-B-1, 14336-002, 55025000-002 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 51885-B?
51885-B is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-276-5963. 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