PartsTable
Technical Data Sheet
WWP351 ✓ 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 CONNECTOR,PLUG,ELECTRICAL is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY, construction: SEAMLESS, heat_treatment: ANNEALED TO A NOMINAL GRAIN SIZE 0.050, connection_type: THREADED EXTERNAL PIPE ALL ENDS, first_end_style: PLAIN, connection_style: PLAIN (PIPE) ALL ENDS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-196-1976, 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
WWP351
NSN: 4730-00-196-1976
FSC: 4730
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
materialCOPPER ALLOY
constructionSEAMLESS
heat_treatmentANNEALED TO A NOMINAL GRAIN SIZE 0.050
connection_typeTHREADED EXTERNAL PIPE ALL ENDS
first_end_stylePLAIN
connection_stylePLAIN (PIPE) ALL ENDS
special_features0.126 IN. WALL THK; 1.315 IN. OD IN
style_designatorLONG
surface_treatmentCHROMIUM OUTSIDE
nominal_thread_size0.250 INCHES ALL ENDS IN
nominal_overall_length4.000 INCHES IN
first_end_thread_seriesNPT
NSN4730-00-196-1976
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: WWP351 · 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 OVERALL LENGTH: 4.000 INCHES IN
SPECIFICATION/STANDARD DATA: 81346-ASTM B687 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 96906-MS51846 GOVERNMENT STANDARD
CONNECTION STYLE: PLAIN (PIPE) ALL ENDS
THREAD SERIES DESIGNATOR: NPT ALL ENDS
NOMINAL THREAD SIZE: 0.250 INCHES ALL ENDS IN
MATERIAL: COPPER ALLOY OVERALL
CONNECTION TYPE: THREADED EXTERNAL PIPE ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL OVERALL LENGTH4.000 INCHES IN
SPECIFICATION/STANDARD DATA81346-ASTM B687 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 96906-MS51846 GOVERNMENT STANDARD
CONNECTION STYLEPLAIN (PIPE) ALL ENDS
THREAD SERIES DESIGNATORNPT ALL ENDS
NOMINAL OVERALL LENGTH4.000 INCHES IN
NOMINAL THREAD SIZE0.250 INCHES ALL ENDS IN
MATERIALCOPPER ALLOY OVERALL
CONNECTION TYPETHREADED EXTERNAL PIPE ALL ENDS
MATERIAL DOCUMENT AND CLASSIFICATIONASTM B43 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SPECIFICATION/STANDARD DATA81346-ASTM B687 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 96906-MS51846 GOVERNMENT STANDARD
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
190728Interchangeable
interchangeable cross-reference
interchangeable
21171Interchangeable
interchangeable cross-reference
interchangeable
0938-9503Interchangeable
interchangeable cross-reference
interchangeable
20866006 FIND NO 14Interchangeable
interchangeable cross-reference
interchangeable
92373A367Interchangeable
interchangeable cross-reference
interchangeable
ASTM-B687Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is WWP351?
WWP351 is a CONNECTOR,PLUG,ELECTRICAL.
What parts can replace WWP351?
There are 10 known substitutes for WWP351: 190728, 21171, 0938-9503 and 7 more. Substitute compatibility should be verified for your specific system.
Is WWP351 still available?
WWP351 is currently cancelled.
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