PartsTable
Technical Data Sheet
WWU531-14TA ✓ 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 OR STEEL NUT, seat_type: GROUND-JOINT, reducer_type: CONCENTRIC, connection_type: THREADED INTERNAL PIPE ALL ENDS, connection_style: PLAIN (PIPE) ALL ENDS, style_designator: SCREWED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-240-1675, 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
WWU531-14TA
NSN: 4730-00-240-1675
FSC: 4730
CAGE: 81348 — FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
materialIRON OR STEEL NUT
seat_typeGROUND-JOINT
reducer_typeCONCENTRIC
connection_typeTHREADED INTERNAL PIPE ALL ENDS
connection_stylePLAIN (PIPE) ALL ENDS
style_designatorSCREWED
surface_treatmentZINC OVERALL
operating_pressure150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
nominal_thread_size0.750 INCHES ALL ENDS IN
coupling_flange_shapeHEXAGON
maximum_operating_temp450.0 FAHRENHEIT SECOND RESPONSE DEGF
nominal_overall_length1.940 INCHES IN
NSN4730-00-240-1675
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: WWU531-14TA · 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
MATERIAL: IRON OR STEEL TAILPIECE
REDUCER TYPE: CONCENTRIC
COUPLING FLANGE SHAPE: HEXAGON
NOMINAL THREAD SIZE: 0.750 INCHES ALL ENDS IN
MEDIA FOR WHICH DESIGNED: WATER-OIL-GAS SECOND RESPONSE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-Z-325,TYPE 2,CLASS 1 FED SPEC SINGLE TREATMENT RESPONSE OR ASTM A153,CLASS A ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT: ZINC OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALIRON OR STEEL TAILPIECE
MATERIALIRON OR STEEL THREAD PIECE
REDUCER TYPECONCENTRIC
COUPLING FLANGE SHAPEHEXAGON
NOMINAL THREAD SIZE0.750 INCHES ALL ENDS IN
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SECOND RESPONSE
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-Z-325,TYPE 2,CLASS 1 FED SPEC SINGLE TREATMENT RESPONSE OR ASTM A153,CLASS A ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTZINC OVERALL
OPERATING PRESSURE150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS
MEDIA FOR WHICH DESIGNEDSTEAM FIRST RESPONSE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
PT18Interchangeable
interchangeable cross-reference
interchangeable
ASME-B16.39Interchangeable
interchangeable cross-reference
interchangeable
ASMEB16.39-02-T-AInterchangeable
interchangeable cross-reference
interchangeable
PT1280Interchangeable
interchangeable cross-reference
interchangeable
A5Interchangeable
interchangeable cross-reference
interchangeable
WWU531-06TAInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is WWU531-14TA?
WWU531-14TA is a UNION,PIPE.
What parts can replace WWU531-14TA?
There are 21 known substitutes for WWU531-14TA: PT18, ASME-B16.39, ASMEB16.39-02-T-A and 18 more. Substitute compatibility should be verified for your specific system.
Is WWU531-14TA still available?
WWU531-14TA is currently cancelled.
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