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Technical Data Sheet
PartsTable / COMPONENT / ASMEB16.39-51TA
ASMEB16.39-51TA ✓ 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 ASMEB16.39-51TA is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-287-0166, 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
ASMEB16.39-51TA
NSN: 4730-00-287-0166
FSC: 4730
CAGE: 05047 — THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS (USA)
SPECIFICATIONS
Part NumberASMEB16.39-51TA
NSN4730-00-287-0166
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: ASMEB16.39-51TA · 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
•
REDUCER TYPE: CONCENTRIC
•
COUPLING FLANGE SHAPE: HEXAGON
•
NOMINAL THREAD SIZE: 1.250 INCHES ALL ENDS IN
•
NOMINAL OVERALL LENGTH: 2.812 INCHES IN
•
THREAD SERIES DESIGNATOR: NPT ALL ENDS
•
MEDIA FOR WHICH DESIGNED: WATER-OIL-GAS SINGLE RESPONSE
•
OPERATING PRESSURE: 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
STYLE DESIGNATOR: SCREWED
TECHNICAL CHARACTERISTICS (FLIS)
REDUCER TYPECONCENTRIC
COUPLING FLANGE SHAPEHEXAGON
NOMINAL THREAD SIZE1.250 INCHES ALL ENDS IN
NOMINAL OVERALL LENGTH2.812 INCHES IN
THREAD SERIES DESIGNATORNPT ALL ENDS
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
OPERATING PRESSURE300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
STYLE DESIGNATORSCREWED
CONNECTION STYLEPLAIN (PIPE) ALL ENDS
MATERIALIRON OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
22U531Interchangeable
interchangeable cross-reference
interchangeable
B16.39Interchangeable
interchangeable cross-reference
interchangeable
WWU531-22TBInterchangeable
interchangeable cross-reference
interchangeable
WW-U-531Interchangeable
interchangeable cross-reference
interchangeable
WWU-531-03TAInterchangeable
interchangeable cross-reference
interchangeable
PT1280Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ASMEB16.39-51TA?
ASMEB16.39-51TA is a ASMEB16.39-51TA.
What parts can replace ASMEB16.39-51TA?
There are 19 known substitutes for ASMEB16.39-51TA: 22U531, B16.39, WWU531-22TB and 16 more. Substitute compatibility should be verified for your specific system.
Is ASMEB16.39-51TA still available?
ASMEB16.39-51TA 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