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B5615-1 — MUFFLER,EXHAUST

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

B5615-1: MUFFLER,EXHAUST.

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: CENTRALLY LOCATED IN END SECTION OF BODY, muffler_design: STRAIGHT THROUGH. This part is cataloged in the U.S.

Government catalog under NSN 2990-00-293-6818, 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
B5615-1
NSN: 2990-00-293-6818
FSC: 2990 — Miscellaneous Engine Accessories, Nonaircraft
CAGE: 46522 — DCM MANUFACTURING, INC. (USA)
SPECIFICATIONS
materialSTEEL LOCATION NOT OTHERWISE SPECIFIED
body_shapeROUND
design_typeDRY
coolant_typeAIR
inlet_locationCENTRALLY LOCATED IN END SECTION OF BODY
muffler_designSTRAIGHT THROUGH
overall_length2.656 INCHES NOMINAL IN
outlet_locationCENTRALLY LOCATED IN END SECTION OF BODY
overall_diameter3.250 INCHES NOMINAL IN
inlet_flange_shapeSQUARE SINGLE INLET
operating_positionHORIZONTAL
inlet_connection_typeUNTHREADED FIRST INLET
NSN2990-00-293-6818
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MUFFLER,EXHAUST TITLE COMPONENT PN B5615-1 MFR MUFFLER,EXHAUST
KEY FEATURES
•
INLET FLANGE SHAPE: SQUARE SINGLE INLET
•
OPERATING POSITION: HORIZONTAL
•
INLET OUTSIDE DIAMETER: 1.375 INCHES NOMINAL SINGLE INLET IN
•
INLET LOCATION: CENTRALLY LOCATED IN END SECTION OF BODY
•
COOLANT TYPE: AIR
•
DESIGN TYPE: DRY
•
OVERALL DIAMETER: 3.250 INCHES NOMINAL IN
•
OUTLET INSIDE DIAMETER: 1.422 INCHES NOMINAL FIRST OUTLET IN
TECHNICAL CHARACTERISTICS
INLET FLANGE SHAPESQUARE SINGLE INLET
OPERATING POSITIONHORIZONTAL
INLET OUTSIDE DIAMETER1.375 INCHES NOMINAL SINGLE INLET IN
INLET LOCATIONCENTRALLY LOCATED IN END SECTION OF BODY
COOLANT TYPEAIR
DESIGN TYPEDRY
OVERALL DIAMETER3.250 INCHES NOMINAL IN
OUTLET INSIDE DIAMETER1.422 INCHES NOMINAL FIRST OUTLET IN
INLET PROJECTION LENGTH0.875 INCHES NOMINAL SINGLE INLET IN
OVERALL LENGTH2.656 INCHES NOMINAL IN
OTHER ITEMS IN FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2990-00-001-0001 2990-00-001-1248 2990-00-001-1250 2990-00-001-2055 2990-00-001-3498 2990-00-001-3520 2990-00-001-3521 2990-00-001-3522
SUBSTITUTES & CROSS-REFERENCES 1
7399131Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is B5615-1?
B5615-1 is a MUFFLER,EXHAUST.
What parts can replace B5615-1?
There is 1 known substitute for B5615-1: 7399131. Substitute compatibility should be verified for your specific system.
What is the NSN for B5615-1?
B5615-1 is cataloged in the U.S. Government catalog under NSN 2990-00-293-6818. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.