PartsTable
Technical Data Sheet
WWU531-39TA ✓ 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 UNION,PIPE is a the manufacturer industrial component. Key specifications include material: IRON ALLOY OVERALL, connection_type: THREADED INTERNAL PIPE FIRST END, special_features: WARD CLIMAX BRAND,FIG 92,BRASS TO IRON SEAT, surface_treatment: ZINC OVERALL, operating_pressure: 250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, nominal_thread_size: 1.250 INCHES SECOND END IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-189-2628, 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
WWU531-39TA
NSN: 4730-00-189-2628
FSC: 4730
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
materialIRON ALLOY OVERALL
connection_typeTHREADED INTERNAL PIPE FIRST END
special_featuresWARD CLIMAX BRAND,FIG 92,BRASS TO IRON SEAT
surface_treatmentZINC OVERALL
operating_pressure250.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size1.250 INCHES SECOND END IN
media_for_which_designedWATER-OIL-GAS SINGLE RESPONSE
thread_series_designatorNPT FIRST END
nondefinitive_spec/std_data2 CLASS AND B TYPE
specification/standard_data81348-WW-U-351 GOVERNMENT SPECIFICATION
NSN4730-00-189-2628
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: WWU531-39TA · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
179692Interchangeable
interchangeable cross-reference
interchangeable
1B.250UInterchangeable
interchangeable cross-reference
interchangeable
B16.39Interchangeable
interchangeable cross-reference
interchangeable
WWU531-39-T-A-Interchangeable
interchangeable cross-reference
interchangeable
C5-45-2623-6Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is WWU531-39TA?
WWU531-39TA is a UNION,PIPE.
What parts can replace WWU531-39TA?
There are 5 known substitutes for WWU531-39TA: 179692, 1B.250U, B16.39 and 2 more. Substitute compatibility should be verified for your specific system.
Is WWU531-39TA still available?
WWU531-39TA is currently cancelled.
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