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B1900-5118 — MUFFLER,EXHAUST

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

B1900-5118: 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: WATER, 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 2990-01-112-5737, 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
B1900-5118
NSN: 2990-01-112-5737
FSC: 2990 — Miscellaneous Engine Accessories, Nonaircraft
CAGE: 37562 — MACLEOD INC (USA)
SPECIFICATIONS
materialSTEEL LOCATION NOT OTHERWISE SPECIFIED
body_shapeROUND
design_typeDRY
coolant_typeWATER
inlet_locationCENTRALLY LOCATED IN END SECTION OF BODY
muffler_designSTRAIGHT THROUGH
overall_length17.750 INCHES NOMINAL IN
outlet_locationCENTRALLY LOCATED IN END SECTION OF BODY
overall_diameter3.000 INCHES NOMINAL IN
operating_positionUNIVERSAL
inlet_connection_typeUNTHREADED SINGLE INLET
inlet_inside_diameter1.625 INCHES NOMINAL SINGLE INLET IN
NSN2990-01-112-5737
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MUFFLER,EXHAUST TITLE COMPONENT PN B1900-5118 MFR MUFFLER,EXHAUST
KEY FEATURES
•
OPERATING POSITION: UNIVERSAL
•
INLET LOCATION: CENTRALLY LOCATED IN END SECTION OF BODY
•
COOLANT TYPE: WATER
•
DESIGN TYPE: DRY
•
OVERALL DIAMETER: 3.000 INCHES NOMINAL IN
•
OUTLET INSIDE DIAMETER: 1.625 INCHES NOMINAL FIRST OUTLET IN
•
INLET PROJECTION LENGTH: 3.000 INCHES NOMINAL SINGLE INLET IN
TECHNICAL CHARACTERISTICS
OPERATING POSITIONUNIVERSAL
INLET LOCATIONCENTRALLY LOCATED IN END SECTION OF BODY
COOLANT TYPEWATER
DESIGN TYPEDRY
OVERALL DIAMETER3.000 INCHES NOMINAL IN
OUTLET INSIDE DIAMETER1.625 INCHES NOMINAL FIRST OUTLET IN
INLET PROJECTION LENGTH3.000 INCHES NOMINAL SINGLE INLET IN
OVERALL LENGTH17.750 INCHES NOMINAL IN
MUFFLER DESIGNSTRAIGHT THROUGH
INLET CONNECTION TYPEUNTHREADED SINGLE INLET
SUBSTITUTES & CROSS-REFERENCES 2
21728Reference document
Same NSN cross-reference
Reference document — Secondary reference
E-W-B1900-5100Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is B1900-5118?
B1900-5118 is a MUFFLER,EXHAUST.
What parts can replace B1900-5118?
There are 2 known substitutes for B1900-5118: 21728, E-W-B1900-5100. Substitute compatibility should be verified for your specific system.
What is the NSN for B1900-5118?
B1900-5118 is cataloged in the U.S. Government catalog under NSN 2990-01-112-5737. 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.