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Technical Data Sheet
PartsTable / COMPONENT / 1381 1-1/2IN
1381 1-1/2IN ✓ 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 1381 1-1/2IN 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 4730-00-083-8769, 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
1381 1-1/2IN
NSN: 4730-00-083-8769
FSC: 4730
CAGE: 34646 — ATI LADISH LLC DBA ATI WAH CHANG DIV ATI FORGED PRODUCTS - CUDAHY (USA)
SPECIFICATIONS
Part Number1381 1-1/2IN
NSN4730-00-083-8769
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 1381 1-1/2IN · 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
•
LEG LENGTH: 2.000 INCHES NOMINAL ALL ENDS IN
•
CONNECTION STYLE: SOCKET (PIPE) ALL ENDS
•
PIPE WALL THICKNESS DESIGNATION FOR WHICH DESIGNED: SCHEDULE 80 ALL ENDS
•
NOMINAL PIPE SIZE ACCOMMODATED: 1.500 INCHES ALL ENDS IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
LEG LENGTH2.000 INCHES NOMINAL ALL ENDS IN
CONNECTION STYLESOCKET (PIPE) ALL ENDS
PIPE WALL THICKNESS DESIGNATION FOR WHICH DESIGNEDSCHEDULE 80 ALL ENDS
NOMINAL PIPE SIZE ACCOMMODATED1.500 INCHES ALL ENDS IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
514-4645322 ITEM FL2Interchangeable
interchangeable cross-reference
interchangeable
ASTM A105Interchangeable
interchangeable cross-reference
interchangeable
20-1 ASTMA-105Interchangeable
interchangeable cross-reference
interchangeable
ANSI B16.11 1-1/4INInterchangeable
interchangeable cross-reference
interchangeable
5000S4823-64496REV3Interchangeable
interchangeable cross-reference
interchangeable
64-2 1/2 ASTMA105Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1381 1-1/2IN?
1381 1-1/2IN is a 1381 1-1/2IN.
What parts can replace 1381 1-1/2IN?
There are 10 known substitutes for 1381 1-1/2IN: 514-4645322 ITEM FL2, ASTM A105, 20-1 ASTMA-105 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1381 1-1/2IN?
1381 1-1/2IN is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-083-8769. 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