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PartsTable / COMPONENT / ANSI B16.11 1-1/4IN
ANSI B16.11 1-1/4IN ✓ 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 1-1/4IN is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-039-3208, 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 1-1/4IN
NSN: 4730-01-039-3208
FSC: 4730
CAGE: 80204 — AMERICAN NATIONAL STANDARDS INSTITUTE INCORPORATED DBA AMERICAN NATIONAL STANDARDS INSTITUTE (USA)
SPECIFICATIONS
Part NumberANSI B16.11 1-1/4IN
NSN4730-01-039-3208
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: ANSI B16.11 1-1/4IN · 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
•
CONNECTION STYLE: SOCKET (PIPE) ALL ENDS
•
OPERATING PRESSURE: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
NOMINAL PIPE SIZE ACCOMMODATED: 1.250 INCHES ALL ENDS IN
•
LEG LENGTH: 1.060 INCHES NOMINAL ALL ENDS IN
•
CONNECTION TYPE: UNTHREADED INTERNAL PIPE ALL ENDS
•
SPECIFICATION/STANDARD DATA: 81346-ASTMA105 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
•
MATERIAL DOCUMENT AND CLASSIFICATION: ANSI B16.11 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
CONNECTION STYLESOCKET (PIPE) ALL ENDS
OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
NOMINAL PIPE SIZE ACCOMMODATED1.250 INCHES ALL ENDS IN
LEG LENGTH1.060 INCHES NOMINAL ALL ENDS IN
CONNECTION TYPEUNTHREADED INTERNAL PIPE ALL ENDS
SPECIFICATION/STANDARD DATA81346-ASTMA105 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
MATERIAL DOCUMENT AND CLASSIFICATIONANSI B16.11 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NONDEFINITIVE SPEC/STD DATA2 GRADE AND 80 SCHEDULE
PIPE WALL THICKNESS DESIGNATION FOR WHICH DESIGNEDSCHEDULE 80 ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
1381 1-1/2INInterchangeable
interchangeable cross-reference
interchangeable
ASTM A-105Interchangeable
interchangeable cross-reference
interchangeable
ANSI B16.11 1-1/2INInterchangeable
interchangeable cross-reference
interchangeable
5000S4823-64496REV3Interchangeable
interchangeable cross-reference
interchangeable
ANSI B16.11Interchangeable
interchangeable cross-reference
interchangeable
B16.11Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is ANSI B16.11 1-1/4IN?
ANSI B16.11 1-1/4IN is a ANSI B16.11 1-1/4IN.
What parts can replace ANSI B16.11 1-1/4IN?
There are 15 known substitutes for ANSI B16.11 1-1/4IN: 1381 1-1/2IN, ASTM A-105, ANSI B16.11 1-1/2IN and 12 more. Substitute compatibility should be verified for your specific system.
Is ANSI B16.11 1-1/4IN still available?
ANSI B16.11 1-1/4IN is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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Last verified: July 2026