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PartsTable / COMPONENT / ANSI B16.11
ANSI B16.11 ✓ 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 ANSI B16.11 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-004-2251, 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
ANSI B16.11
NSN: 4730-00-004-2251
FSC: 4730
CAGE: 80204 — AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED DBA AMERICAN NATIONAL STANDARDS INSTITUTE (USA)
SPECIFICATIONS
Part NumberANSI B16.11
NSN4730-00-004-2251
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: ANSI B16.11 · 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: STEEL OVERALL
•
PIPE WALL THICKNESS DESIGNATION FOR WHICH DESIGNED: SCHEDULE 80 ALL ENDS
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A105,GR 2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
MEDIA FOR WHICH DESIGNED: AIR FIRST RESPONSE
•
OPERATING PRESSURE: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
NOMINAL PIPE SIZE ACCOMMODATED: 0.375 INCHES ALL ENDS IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
PIPE WALL THICKNESS DESIGNATION FOR WHICH DESIGNEDSCHEDULE 80 ALL ENDS
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A105,GR 2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
MEDIA FOR WHICH DESIGNEDAIR FIRST RESPONSE
OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
END ITEM IDENTIFICATIONLANDING CRAFT
NOMINAL PIPE SIZE ACCOMMODATED0.375 INCHES ALL ENDS IN
MEDIA FOR WHICH DESIGNEDSTEAM SECOND RESPONSE
LEG LENGTH1.000 INCHES NOMINAL ALL ENDS IN
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS THIRD RESPONSE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
1381 3-8INInterchangeable
Same NIIN cross-reference
interchangeable
3321R 3-8INInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ANSI B16.11?
ANSI B16.11 is a ANSI B16.11.
What parts can replace ANSI B16.11?
There are 2 known substitutes for ANSI B16.11: 1381 3-8IN, 3321R 3-8IN. Substitute compatibility should be verified for your specific system.
What is the NSN for ANSI B16.11?
ANSI B16.11 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-004-2251. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026