PartsTable
Technical Data Sheet
57-3-1-SS ✓ 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 REDUCER,PIPE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316L OVERALL, connection_type: UNTHREADED INTERNAL PIPE ALL ENDS, connection_style: SOCKET (PIPE) FIRST END, operating_pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, nominal_overall_length: 1.500 INCHES IN, nominal_pipe_size_accommodated: 0.500 INCHES FIRST END 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 4730-01-664-8192, 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
57-3-1-SS
NSN: 4730-01-664-8192
FSC: 4730
CAGE: 99565 — ADMIRAL VALVE LLC DBA CPV MANUFACTURING (USA)
SPECIFICATIONS
materialSTEEL COMP 316L OVERALL
connection_typeUNTHREADED INTERNAL PIPE ALL ENDS
connection_styleSOCKET (PIPE) FIRST END
operating_pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_overall_length1.500 INCHES IN
nominal_pipe_size_accommodated0.500 INCHES FIRST END IN
NSN4730-01-664-8192
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 57-3-1-SS · 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 OVERALL LENGTH: 1.500 INCHES IN
OPERATING PRESSURE: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MATERIAL: STEEL COMP 316L OVERALL
NOMINAL PIPE SIZE ACCOMMODATED: 0.500 INCHES FIRST END IN
CONNECTION STYLE: SOCKET (PIPE) FIRST END
CONNECTION TYPE: UNTHREADED INTERNAL PIPE ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL OVERALL LENGTH1.500 INCHES IN
OPERATING PRESSURE3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MATERIALSTEEL COMP 316L OVERALL
NOMINAL PIPE SIZE ACCOMMODATED0.500 INCHES FIRST END IN
CONNECTION STYLESOCKET (PIPE) FIRST END
NOMINAL PIPE SIZE ACCOMMODATED0.375 INCHES SECOND END IN
CONNECTION TYPEUNTHREADED INTERNAL PIPE ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
5731Interchangeable
interchangeable cross-reference
interchangeable
H1150Interchangeable
interchangeable cross-reference
interchangeable
6640002645024Interchangeable
interchangeable cross-reference
interchangeable
514008Interchangeable
interchangeable cross-reference
interchangeable
1038-30101-10Interchangeable
interchangeable cross-reference
interchangeable
433739-6Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 57-3-1-SS?
57-3-1-SS is a REDUCER,PIPE.
What parts can replace 57-3-1-SS?
There are 8 known substitutes for 57-3-1-SS: 5731, H1150, 6640002645024 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 57-3-1-SS?
57-3-1-SS is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-664-8192. This indicates validated use in U.S. government and defense supply chains.
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