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Technical Data Sheet
PartsTable / COMPONENT / WWC631PC2
WWC631PC2 ✓ 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 HOSE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, connection_type: UNTHREADED EXTERNAL HOSE SECOND END, connection_style: BARBED OR BEADED (HOSE) SECOND END, operating_pressure: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, nominal_thread_size: 0.375 INCHES FIRST END IN, nominal_overall_length: 3.062 INCHES 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 4730-00-270-3994, 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
WWC631PC2
NSN: 4730-00-270-3994
FSC: 4730
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
connection_typeUNTHREADED EXTERNAL HOSE SECOND END
connection_styleBARBED OR BEADED (HOSE) SECOND END
operating_pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size0.375 INCHES FIRST END IN
nominal_overall_length3.062 INCHES IN
end_item_identificationVARIOUS APPLICATIONS
media_for_which_designedAIR SINGLE RESPONSE
thread_series_designatorNPT FIRST END
nominal_pipe_size_accommodated0.375 INCHES FIRST END IN
departure_from_cited_designatorAS MODIFIED BY THD SIZE AND SERIES/TYPE DESIGNATOR
nominal_inside_diameter_hose_accommodated0.438 INCHES SECOND END IN
NSN4730-00-270-3994
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: WWC631PC2 · 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
•
DEPARTURE FROM CITED DESIGNATOR: AS MODIFIED BY THD SIZE AND SERIES/TYPE DESIGNATOR
•
MEDIA FOR WHICH DESIGNED: AIR SINGLE RESPONSE
•
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED: 0.438 INCHES SECOND END IN
•
NOMINAL THREAD SIZE: 0.375 INCHES FIRST END IN
•
MATERIAL: COPPER ALLOY OVERALL
•
CONNECTION TYPE: UNTHREADED EXTERNAL HOSE SECOND END
•
CONNECTION STYLE: BARBED OR BEADED (HOSE) SECOND END
•
OPERATING PRESSURE: 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
TECHNICAL CHARACTERISTICS (FLIS)
DEPARTURE FROM CITED DESIGNATORAS MODIFIED BY THD SIZE AND SERIES/TYPE DESIGNATOR
MEDIA FOR WHICH DESIGNEDAIR SINGLE RESPONSE
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED0.438 INCHES SECOND END IN
NOMINAL THREAD SIZE0.375 INCHES FIRST END IN
MATERIALCOPPER ALLOY OVERALL
CONNECTION TYPEUNTHREADED EXTERNAL HOSE SECOND END
CONNECTION STYLEBARBED OR BEADED (HOSE) SECOND END
OPERATING PRESSURE150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
NOMINAL OVERALL LENGTH3.062 INCHES IN
CONNECTION TYPETHREADED EXTERNAL PIPE FIRST END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
143386Interchangeable
interchangeable cross-reference
interchangeable
143386-0001Interchangeable
interchangeable cross-reference
interchangeable
143386-0002Interchangeable
interchangeable cross-reference
interchangeable
7-113100066Interchangeable
interchangeable cross-reference
interchangeable
5RUSH218-6Interchangeable
interchangeable cross-reference
interchangeable
520066-01Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is WWC631PC2?
WWC631PC2 is a ADAPTER,STRAIGHT,PIPE TO HOSE.
What parts can replace WWC631PC2?
There are 9 known substitutes for WWC631PC2: 143386, 143386-0001, 143386-0002 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for WWC631PC2?
WWC631PC2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-270-3994. 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