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Technical Data Sheet
PartsTable / COMPONENT / WWC633-02-B
WWC633-02-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: TWO LUG UNIVERSAL ALL ENDS, nondefinitive_spec/std_data: 1 TYPE AND 1/2 IN, SIZE IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-368-7591, 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
WWC633-02-B
NSN: 4730-01-368-7591
FSC: 4730
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (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_methodTWO LUG UNIVERSAL ALL ENDS
nondefinitive_spec/std_data1 TYPE AND 1/2 IN, SIZE IN
specification/standard_data81348-WW-C-633 GOVERNMENT SPECIFICATION
furnished_items_and_quantity1 PREFORMED PACKING
material_document_and_classificationASTM B61 ASSN STD SINGLE MATERIAL RESPONSE AND ASTM B584 ASSN STD SINGLE MATERIAL RESPONSE BODY
nominal_inside_diameter_hose_accommodated0.500 INCHES ALL ENDS IN
NSN4730-01-368-7591
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: WWC633-02-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: UNTHREADED EXTERNAL HOSE FIRST FLUID END CONNECTION
•
SPECIFICATION/STANDARD DATA: 81348-WW-C-633 GOVERNMENT SPECIFICATION
•
NONDEFINITIVE SPEC/STD DATA: 1 TYPE AND 1/2 IN, SIZE IN
•
MATERIAL: COPPER ALLOY BODY
•
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED: 0.500 INCHES ALL ENDS IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM B61 ASSN STD SINGLE MATERIAL RESPONSE AND ASTM B584 ASSN STD SINGLE MATERIAL RESPONSE BODY
•
CONNECTION STYLE: BARBED OR SERRATED END ALL ENDS
•
STYLE DESIGNATOR: MALE COUPLING HALF
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION TYPEUNTHREADED EXTERNAL HOSE FIRST FLUID END CONNECTION
SPECIFICATION/STANDARD DATA81348-WW-C-633 GOVERNMENT SPECIFICATION
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 1/2 IN, SIZE IN
MATERIALCOPPER ALLOY BODY
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED0.500 INCHES ALL ENDS IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B61 ASSN STD SINGLE MATERIAL RESPONSE AND ASTM B584 ASSN STD SINGLE MATERIAL RESPONSE BODY
CONNECTION STYLEBARBED OR SERRATED END ALL ENDS
STYLE DESIGNATORMALE COUPLING HALF
FURNISHED ITEMS AND QUANTITY1 PREFORMED PACKING
QUICK DISCONNECT METHODTWO LUG UNIVERSAL ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
STYLEAKMPTAMHInterchangeable
interchangeable cross-reference
interchangeable
WWC633TYPE1Interchangeable
interchangeable cross-reference
interchangeable
WW-C-633Interchangeable
interchangeable cross-reference
interchangeable
WWC633-02-MInterchangeable
interchangeable cross-reference
interchangeable
AA59553-02MInterchangeable
interchangeable cross-reference
interchangeable
WWC633-09-MInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is WWC633-02-B?
WWC633-02-B is a COUPLING HALF,QUICK DISCONNECT.
What parts can replace WWC633-02-B?
There are 21 known substitutes for WWC633-02-B: STYLEAKMPTAMH, WWC633TYPE1, WW-C-633 and 18 more. Substitute compatibility should be verified for your specific system.
Is WWC633-02-B still available?
WWC633-02-B is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026