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ASMEB16.39-02-T-A — Technical Data Sheet

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— · 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: COPPER ALLOY SEAT, seat_type: BEVELED, connection_type: THREADED INTERNAL PIPE ALL ENDS, connection_style: PLAIN (PIPE) ALL ENDS, style_designator: SCREWED, operating_pressure: 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-240-1670, 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
ASMEB16.39-02-T-A
NSN: 4730-00-240-1670
FSC: 4730
CAGE: 05047 — THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS (USA)
SPECIFICATIONS
materialCOPPER ALLOY SEAT
seat_typeBEVELED
connection_typeTHREADED INTERNAL PIPE ALL ENDS
connection_stylePLAIN (PIPE) ALL ENDS
style_designatorSCREWED
operating_pressure300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS
nominal_thread_size0.375 INCHES ALL ENDS IN
coupling_flange_shapeHEXAGON
maximum_operating_temp450.0 FAHRENHEIT SECOND RESPONSE DEGF
nominal_overall_length1.440 INCHES IN
media_for_which_designedSTEAM FIRST RESPONSE
thread_series_designatorNPT ALL ENDS
NSN4730-00-240-1670
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: ASMEB16.39-02-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
•
STYLE DESIGNATOR: SCREWED
•
NOMINAL THREAD SIZE: 0.375 INCHES ALL ENDS IN
•
COUPLING FLANGE SHAPE: HEXAGON
•
CONNECTION TYPE: THREADED INTERNAL PIPE ALL ENDS
•
MEDIA FOR WHICH DESIGNED: WATER-OIL-GAS SECOND RESPONSE
•
MATERIAL: IRON OR STEEL TAILPIECE
•
THREAD SERIES DESIGNATOR: NPT ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORSCREWED
NOMINAL THREAD SIZE0.375 INCHES ALL ENDS IN
COUPLING FLANGE SHAPEHEXAGON
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SECOND RESPONSE
MATERIALIRON OR STEEL TAILPIECE
MATERIALIRON OR STEEL NUT
THREAD SERIES DESIGNATORNPT ALL ENDS
MAXIMUM OPERATING TEMP450.0 FAHRENHEIT FIRST RESPONSE DEGF
MAXIMUM OPERATING TEMP450.0 FAHRENHEIT SECOND RESPONSE DEGF
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
PT18Interchangeable
interchangeable cross-reference
interchangeable
A5Interchangeable
interchangeable cross-reference
interchangeable
WWU531-06TAInterchangeable
interchangeable cross-reference
interchangeable
ASMEB16.39-08-T-AInterchangeable
interchangeable cross-reference
interchangeable
WA22861Interchangeable
interchangeable cross-reference
interchangeable
B16.39-08-T-AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ASMEB16.39-02-T-A?
ASMEB16.39-02-T-A is a UNION,PIPE.
What parts can replace ASMEB16.39-02-T-A?
There are 23 known substitutes for ASMEB16.39-02-T-A: PT18, A5, WWU531-06TA and 20 more. Substitute compatibility should be verified for your specific system.
Is ASMEB16.39-02-T-A still available?
ASMEB16.39-02-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: September 2026