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Technical Data Sheet

1390-2X1-1/4 — 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 REDUCER,PIPE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, reducer_type: CONCENTRIC, connection_type: UNTHREADED INTERNAL PIPE FIRST END, connection_style: SOCKET (PIPE) FIRST END, operating_pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, nominal_overall_length: 1.563 INCHES IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-022-7605, 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
1390-2X1-1/4
NSN: 4730-01-022-7605
FSC: 4730
CAGE: 34646 — ATI LADISH LLC DBA ATI WAH CHANG DIV ATI FORGED PRODUCTS - CUDAHY (USA)
SPECIFICATIONS
materialSTEEL OVERALL
reducer_typeCONCENTRIC
connection_typeUNTHREADED INTERNAL PIPE FIRST END
connection_styleSOCKET (PIPE) FIRST END
operating_pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_overall_length1.563 INCHES IN
media_for_which_designedWATER-OIL-GAS SINGLE RESPONSE
nominal_pipe_size_accommodated2.000 INCHES SECOND END IN
material_document_and_classificationASTM A181 GRADE 1 OR A105 GRADE 2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
pipe_wall_thickness_designation_for_which_designedSCHEDULE 80 FIRST END
NSN4730-01-022-7605
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 1390-2X1-1/4 · 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
NOMINAL PIPE SIZE ACCOMMODATED: 1.250 INCHES FIRST END IN
CONNECTION STYLE: SOCKET (PIPE) FIRST END
NOMINAL OVERALL LENGTH: 1.563 INCHES IN
CONNECTION TYPE: UNTHREADED INTERNAL PIPE FIRST END
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL PIPE SIZE ACCOMMODATED1.250 INCHES FIRST END IN
CONNECTION STYLESOCKET (PIPE) FIRST END
NOMINAL OVERALL LENGTH1.563 INCHES IN
CONNECTION TYPEUNTHREADED INTERNAL PIPE FIRST END
CONNECTION TYPEUNTHREADED EXTERNAL PIPE SECOND END
CONNECTION STYLEPLAIN (PIPE) SECOND END
NOMINAL PIPE SIZE ACCOMMODATED2.000 INCHES SECOND END IN
MATERIALSTEEL OVERALL
PIPE WALL THICKNESS DESIGNATION FOR WHICH DESIGNEDSCHEDULE 80 FIRST END
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A181 GRADE 1 OR A105 GRADE 2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
B16.11-73Interchangeable
interchangeable cross-reference
interchangeable
B16-11-1-2IN-IPS1500PSI45ELLInterchangeable
interchangeable cross-reference
interchangeable
B16-11SCHEDULE80Interchangeable
interchangeable cross-reference
interchangeable
SW243-1 1-4Interchangeable
interchangeable cross-reference
interchangeable
1381-1 1-4INInterchangeable
interchangeable cross-reference
interchangeable
1390 1-1-4X1-2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1390-2X1-1/4?
1390-2X1-1/4 is a REDUCER,PIPE.
What parts can replace 1390-2X1-1/4?
There are 12 known substitutes for 1390-2X1-1/4: B16.11-73, B16-11-1-2IN-IPS1500PSI45ELL, B16-11SCHEDULE80 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1390-2X1-1/4?
1390-2X1-1/4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-022-7605. This indicates validated use in U.S. government and defense supply chains.
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