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Technical Data Sheet
PartsTable / COMPONENT / ASME-B16.9
ASME-B16.9 ✓ 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 ASME-B16.9 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-184-4156, 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
ASME-B16.9
NSN: 4730-01-184-4156
FSC: 4730
CAGE: 05047 — THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS (USA)
SPECIFICATIONS
Part NumberASME-B16.9
NSN4730-01-184-4156
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: ASME-B16.9 · 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
•
CONNECTION TYPE: BUTT WELD PIPE ALL ENDS
•
LEG LENGTH: 4.000 INCHES NOMINAL ALL ENDS IN
•
FLOW ANGLE: 90.0 DEGREES
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A234,GR B ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: STEEL OVERALL
•
NOMINAL PIPE SIZE ACCOMMODATED: 4.000 INCHES ALL ENDS IN
•
NONDEFINITIVE SPEC/STD DATA: 2 TABLE
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION TYPEBUTT WELD PIPE ALL ENDS
LEG LENGTH4.000 INCHES NOMINAL ALL ENDS IN
FLOW ANGLE90.0 DEGREES
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A234,GR B ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SPECIAL FEATURESNO WELD REPAIR ALLOWED
MATERIALSTEEL OVERALL
NOMINAL PIPE SIZE ACCOMMODATED4.000 INCHES ALL ENDS IN
NONDEFINITIVE SPEC/STD DATA2 TABLE
CONNECTION STYLEBEVELED (PIPE) ALL ENDS
PIPE WALL THICKNESS DESIGNATION FOR WHICH DESIGNEDSCHEDULE 40 ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
B16.28Interchangeable
interchangeable cross-reference
interchangeable
946 2INInterchangeable
interchangeable cross-reference
interchangeable
14BS 2-1/2INInterchangeable
interchangeable cross-reference
interchangeable
B16.9Interchangeable
interchangeable cross-reference
interchangeable
8 1NInterchangeable
interchangeable cross-reference
interchangeable
331E 8INInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ASME-B16.9?
ASME-B16.9 is a ASME-B16.9.
What parts can replace ASME-B16.9?
There are 17 known substitutes for ASME-B16.9: B16.28, 946 2IN, 14BS 2-1/2IN and 14 more. Substitute compatibility should be verified for your specific system.
Is ASME-B16.9 still available?
ASME-B16.9 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