PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

M0M12-0100Muffler,exhaust

Donaldson Company, Inc. · NSN 2990-00-443-4796 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-00-443-4796 — this item is cataloged by the U.S. Government under National Stock Number 2990-00-443-4796. Primary manufacturer part number: M0M12-0100.
Features
  • Muffler,exhaust — FSC 2990
  • Tube Quantity: 3
  • Inlet Location: OFFSET LOCATED ON END OFBODY
  • Outlet Location: OFFSET LOCATED ON END OF BODY
  • Outlet Projection Length: 3.250 INCHES NOMINAL FIRST OUTLET IN
  • Inlet Projection Length: 3.250 INCHES NOMINAL SINGLE INLET IN
  • Surface Treatment: ALUMINUM
  • Outlet Connection Type: UNTHREADED FIRST OUTLET
Applications
  • Applications requiring Steel Location Not Otherwise Specified construction
General Description

The Muffler,exhaust, cataloged under National Stock Number 2990-00-443-4796, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Donaldson Company, Inc.. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN2990-00-443-4796
Primary Part NumberM0M12-0100
Item NameMuffler,exhaust
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerDonaldson Company, Inc.
StatusCANCELLED
Tube Quantity3
Inlet LocationOFFSET LOCATED ON END OFBODY
Outlet LocationOFFSET LOCATED ON END OF BODY
Outlet Projection Length3.250 INCHES NOMINAL FIRST OUTLET IN
Inlet Projection Length3.250 INCHES NOMINAL SINGLE INLET IN
Surface TreatmentALUMINUM
Outlet Connection TypeUNTHREADED FIRST OUTLET
Inlet Inside Diameter4.000 INCHES NOMINAL SINGLE INLET IN
MaterialSTEEL LOCATION NOT OTHERWISE SPECIFIED
Operating PositionHORIZONTAL
Muffler DesignMULTIPASS
Inlet Connection TypeUNTHREADED SINGLE INLET
Design TypeDRY
Coolant TypeAIR
Body ShapeOVAL
Outlet Inside Diameter4.000 INCHES NOMINAL FIRST OUTLET IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5945-00-025-3457PM1207PC39 INTERCHANGEABLE
Relay,electromagnetic
Marine Electric Systems Inc
3110-00-100-0343 INTERCHANGEABLE
Cup,tapered Roller Bearing
3110-00-100-617904746E INTERCHANGEABLE
Ball,bearing
Hyster-Yale Group, Inc. Dba Yale Materials Handling
4820-00-274-364615-416 INTERCHANGEABLE
Cock,plug
Dresser Industries Inc Leroi Div
2815-00-516-91962A3447 INTERCHANGEABLE
Valve,poppet,engine
Caterpillar Inc Div Caterpillar Defense
4240-00-941-1341893 INTERCHANGEABLE
Strap,wrist Grounding
Stewart R. Browne Mfg. Co., Inc.
5330-01-037-591225071 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
4820-01-108-6983288A-C 1/2IN INTERCHANGEABLE
Valve,vacuum Breaking
Watts Regulator Company
5331-01-277-2193D-39 INTERCHANGEABLE
O-Ring
A a a Products Co
2930-01-406-5270 INTERCHANGEABLE
Radiator,engine Coolant
Cross-Reference Index
Part NumberManufacturer
690420R91 Navistar Intl Corp Truck Br Ohio Plant (USA)
D39 Teck Exhaust Systems Inc (USA)
M0M12-0108 Walter Motor Truck Co (USA)
447803 Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.) (USA)
892 Walker Mfg Co (USA)
27Z393 Morris Material Handling, Inc. (USA)
5080B98 Donaldson Company, Inc. (USA)
LDB-86125 Teck Exhaust Systems Inc (USA)
447803 White Motor Corp (USA)
M0M12-0100 PRIMARY Donaldson Company, Inc. (USA)
Related Parts
5945-00-025-3457INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
PM1207PC39
3110-00-100-0343INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
3110-00-100-6179INTERCHANGEABLE
BALL,BEARING
04746E
4820-00-274-3646INTERCHANGEABLE
COCK,PLUG
15-416
2815-00-516-9196INTERCHANGEABLE
VALVE,POPPET,ENGINE
2A3447
4240-00-941-1341INTERCHANGEABLE
STRAP,WRIST GROUNDING
893
5330-01-037-5912INTERCHANGEABLE
SEAL,PLAIN ENCASED
25071
4820-01-108-6983INTERCHANGEABLE
VALVE,VACUUM BREAKING
288A-C 1/2IN
5331-01-277-2193INTERCHANGEABLE
O-RING
D-39
2930-01-406-5270INTERCHANGEABLE
RADIATOR,ENGINE COOLANT
6680-01-547-5602INTERCHANGEABLE
TACHOMETER,ELECTRONIC
44-7803
5365-01-569-0116INTERCHANGEABLE
SPACER,SLEEVE
892

Frequently Asked Questions

What is NSN 2990-00-443-4796?

NSN 2990-00-443-4796 is a Muffler,exhaust, manufactured by Donaldson Company, Inc., classified under FSC 2990 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2990-00-443-4796?

NSN 2990-00-443-4796 has 10 cross-referenced part numbers: 690420R91 (Navistar Intl Corp Truck Br Ohio Plant), D39 (Teck Exhaust Systems Inc), M0M12-0108 (Walter Motor Truck Co), 447803 (Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.)), 892 (Walker Mfg Co) and 5 more.

What NSN replaces 2990-00-443-4796?

There are 12 known substitutes for 2990-00-443-4796: 5945-00-025-3457, 3110-00-100-0343, 3110-00-100-6179 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of M0M12-0100?

Key specifications for M0M12-0100: Tube Quantity: 3; Inlet Location: OFFSET LOCATED ON END OFBODY; Outlet Location: OFFSET LOCATED ON END OF BODY; Outlet Projection Length: 3.250 INCHES NOMINAL FIRST OUTLET IN. 19 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2990-00-443-4796 still in active supply?

NSN 2990-00-443-4796 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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