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Technical Data Sheet
PartsTable / COMPONENT / ASMEB16.39-19-T-A
ASMEB16.39-19-T-A ✓ 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 ASMEB16.39-19-T-A is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-839-7486, 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
ASMEB16.39-19-T-A
NSN: 4730-00-839-7486
FSC: 4730
CAGE: 05047 — THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS (USA)
SPECIFICATIONS
Part NumberASMEB16.39-19-T-A
NSN4730-00-839-7486
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: ASMEB16.39-19-T-A · 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 THREAD PIECE
•
THREAD SERIES DESIGNATOR: NPT FIRST END
•
OPERATING PRESSURE: 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-I-666 FED SPEC 1ST MATERIAL RESPONSE OR ASTM A47 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A197 ASSN STD 1ST MATERIAL RESPONSE OR ANSI G49.1 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A576 ASSN STD 2ND MATERIAL RESPONSE OR ASTM A675 ASSN STD 2ND MATERIAL RESPONSE TAILPIECE
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AQQ-Z-325,TYPE 2,CLASS 1 FED SPEC SINGLE TREATMENT RESPONSE OR ASTM A153,CLASS A ASSN STD SINGLE TREATMENT RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALIRON OR STEEL THREAD PIECE
THREAD SERIES DESIGNATORNPT FIRST END
OPERATING PRESSURE300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-I-666 FED SPEC 1ST MATERIAL RESPONSE OR ASTM A47 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A197 ASSN STD 1ST MATERIAL RESPONSE OR ANSI G49.1 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A576 ASSN STD 2ND MATERIAL RESPONSE OR ASTM A675 ASSN STD 2ND MATERIAL RESPONSE TAILPIECE
MATERIALIRON OR STEEL TAILPIECE
MATERIALCOPPER ALLOY SEAT
MATERIALIRON OR STEEL NUT
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONAQQ-Z-325,TYPE 2,CLASS 1 FED SPEC SINGLE TREATMENT RESPONSE OR ASTM A153,CLASS A ASSN STD SINGLE TREATMENT RESPONSE OVERALL
SPECIFICATION/STANDARD DATA81348-WW-U-531 GOVERNMENT SPECIFICATION
SEAT TYPEGROUND-JOINT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
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 ASMEB16.39-19-T-A?
ASMEB16.39-19-T-A is a ASMEB16.39-19-T-A.
What parts can replace ASMEB16.39-19-T-A?
There are 20 known substitutes for ASMEB16.39-19-T-A: 22U531, B16.39, WWU531-22TB and 17 more. Substitute compatibility should be verified for your specific system.
Is ASMEB16.39-19-T-A still available?
ASMEB16.39-19-T-A 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