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155-957 ✓ Verified by PartsTable
— · PIPE SECTION
WHAT YOU NEED TO KNOW
Schedule = wall thickness, NOT diameter Nominal pipe size != actual OD
Sch 40 and Sch 80 same OD, different wall
PRODUCT OVERVIEW

The MUFFLER,EXHAUST is a the manufacturer industrial component. Key specifications include material: STEEL LOCATION NOT OTHERWISE SPECIFIED, body_shape: ROUND, design_type: DRY, coolant_type: AIR, inlet_location: OFFSET IN END SECTION OF BODY, muffler_design: BAFFLE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4710-00-425-5930, 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
155-957
NSN: 4710-00-425-5930
FSC: 4710
CAGE: 15434 — CUMMINS INC. (USA)
SPECIFICATIONS
materialSTEEL LOCATION NOT OTHERWISE SPECIFIED
body_shapeROUND
design_typeDRY
coolant_typeAIR
tube_quantity3
inlet_locationOFFSET IN END SECTION OF BODY
muffler_designBAFFLE
overall_length19.625 INCHES NOMINAL IN
baffle_quantity1
outlet_locationON SIDE OF BODY 5.562 IN. DIM. C OF OUTLET TO C OF INLET IN
overall_diameter4.625 INCHES NOMINAL IN
special_features90.0 DEG @ELBOW FOR INLET FLANGE
NSN4710-00-425-5930
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 155-957 · OEM ⚠ VERIFY BEFORE ORDERING Schedule = wall thickness, NOT pipe diameter. Sch 40 and Sch 80 have the same OD but different wall thickness. Nominal pipe size ≠ actual OD — a 1" pipe is actually 1.315" OD ✓ BROKER TIP Sch 40 = standard wall, Sch 80 = heavy wall (higher pressure), Sch 160 = extra heavy. Seamless pipe is required for high-pressure applications — welded pipe has lower ratings PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
NOMINAL THREAD SIZE: 0.500 INCHES SINGLE END IN
•
MATERIAL: COPPER TUBING
•
THREAD SERIES DESIGNATOR: UNF SINGLE END
•
TUBE OUTSIDE DIAMETER: 0.312 INCHES NOMINAL IN
•
END CONNECTION STYLE: SWIVEL NUT, INVERTED FLARE SINGLE END
•
SEAT ANGLE IN DEG: 45.0 SINGLE END
•
WALL THICKNESS: 0.042 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD SIZE0.500 INCHES SINGLE END IN
MATERIALCOPPER TUBING
THREAD SERIES DESIGNATORUNF SINGLE END
TUBE OUTSIDE DIAMETER0.312 INCHES NOMINAL IN
END CONNECTION STYLESWIVEL NUT, INVERTED FLARE SINGLE END
SEAT ANGLE IN DEG45.0 SINGLE END
MATERIALSTEEL SINGLE END
WALL THICKNESS0.042 INCHES NOMINAL IN
DESIGN FORMPREBENT
MATING END QUANTITY2 SINGLE END
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
13216E1916Interchangeable
interchangeable cross-reference
interchangeable
ABT10080Interchangeable
interchangeable cross-reference
interchangeable
155D957Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 155-957?
155-957 is a MUFFLER,EXHAUST.
What parts can replace 155-957?
There are 3 known substitutes for 155-957: 13216E1916, ABT10080, 155D957. Substitute compatibility should be verified for your specific system.
What is the NSN for 155-957?
155-957 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4710-00-425-5930. 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