PartsTable
Technical Data Sheet

448290/1 — MUFFLER,EXHAUST

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

448290/1: MUFFLER,EXHAUST.

The MUFFLER,EXHAUST is a the manufacturer industrial component. Key specifications include material: STEEL LOCATION NOT OTHERWISE SPECIFIED, design_type: DRY, coolant_type: AIR, inlet_location: CENTERED ON END OF BODY, overall_length: 2.938 INCHES NOMINAL IN, overall_diameter: 2.719 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 2990-00-125-9003, 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
448290/1
NSN: 2990-00-125-9003
FSC: 2990 — Miscellaneous Engine Accessories, Nonaircraft
CAGE: FARM4 — RELLUMIX (FRA)
SPECIFICATIONS
materialSTEEL LOCATION NOT OTHERWISE SPECIFIED
design_typeDRY
coolant_typeAIR
inlet_locationCENTERED ON END OF BODY
overall_length2.938 INCHES NOMINAL IN
overall_diameter2.719 INCHES NOMINAL IN
thread_directionRIGHT-HAND SINGLE INLET
inlet_thread_size1/2-14 SINGLE INLET
operating_positionUNIVERSAL
inlet_thread_locationEXTERNAL SINGLE INLET
inlet_projection_length1.782 INCHES NOMINAL SINGLE INLET IN
inlet_thread_series_designatorNPT SINGLE INLET
NSN2990-00-125-9003
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MUFFLER,EXHAUST TITLE COMPONENT PN 448290/1 MFR MUFFLER,EXHAUST
KEY FEATURES
•
OPERATING POSITION: UNIVERSAL
•
INLET LOCATION: CENTERED ON END OF BODY
•
COOLANT TYPE: AIR
•
DESIGN TYPE: DRY
•
OVERALL DIAMETER: 2.719 INCHES NOMINAL IN
•
INLET THREAD LOCATION: EXTERNAL SINGLE INLET
•
INLET PROJECTION LENGTH: 1.782 INCHES NOMINAL SINGLE INLET IN
TECHNICAL CHARACTERISTICS
OPERATING POSITIONUNIVERSAL
INLET LOCATIONCENTERED ON END OF BODY
COOLANT TYPEAIR
DESIGN TYPEDRY
OVERALL DIAMETER2.719 INCHES NOMINAL IN
INLET THREAD LOCATIONEXTERNAL SINGLE INLET
INLET PROJECTION LENGTH1.782 INCHES NOMINAL SINGLE INLET IN
OVERALL LENGTH2.938 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND SINGLE INLET
INLET THREAD SIZE1/2-14 SINGLE INLET
SUBSTITUTES & CROSS-REFERENCES 2
2GM2Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
AC990Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
Ready to buy 448290/1?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 448290/1?
448290/1 is a MUFFLER,EXHAUST.
What parts can replace 448290/1?
There are 2 known substitutes for 448290/1: 2GM2, AC990. Substitute compatibility should be verified for your specific system.
What is the NSN for 448290/1?
448290/1 is cataloged in the U.S. Government catalog under NSN 2990-00-125-9003. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 448290/1

✓ 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.