PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

22965Muffler,exhaust

Walker Mfg Co · NSN 2990-00-065-2833 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-00-065-2833 — this item is cataloged by the U.S. Government under National Stock Number 2990-00-065-2833. Primary manufacturer part number: 22965.
Features
  • Muffler,exhaust — FSC 2990
  • Outlet Projection Length: 3.000 INCHES NOMINAL FIRST OUTLET IN
  • Outlet Location: CENTRALLY LOCATED ON END OF BODY
  • Coolant Type: AIR
  • Overall Diameter: 9.000 INCHES NOMINAL IN
  • Design Type: DRY
  • Inlet Inside Diameter: 4.000 INCHES NOMINAL SINGLE INLET IN
  • Inlet Location: CENTRALLY LOCATED ON END OF BODY
Applications
  • Applications requiring Steel Location Not Otherwise Specified construction
General Description

The Muffler,exhaust, cataloged under National Stock Number 2990-00-065-2833, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Walker Mfg Co. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 15 commercial cross-references from 11 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
NSN2990-00-065-2833
Primary Part Number22965
Item NameMuffler,exhaust
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerWalker Mfg Co
StatusCANCELLED
Outlet Projection Length3.000 INCHES NOMINAL FIRST OUTLET IN
Outlet LocationCENTRALLY LOCATED ON END OF BODY
Coolant TypeAIR
Overall Diameter9.000 INCHES NOMINAL IN
Design TypeDRY
Inlet Inside Diameter4.000 INCHES NOMINAL SINGLE INLET IN
Inlet LocationCENTRALLY LOCATED ON END OF BODY
Inlet Projection Length3.000 INCHES NOMINAL SINGLE INLET IN
Operating PositionVERTICAL
MaterialSTEEL LOCATION NOT OTHERWISE SPECIFIED
Tube Quantity1
Muffler DesignSTRAIGHT THROUGH
Surface TreatmentALUMINUM
Outlet Inside Diameter4.000 INCHES NOMINAL FIRST OUTLET IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5930-00-075-46739-8107-SC-8T INTERCHANGEABLE
Switch,mercury
Dwyer Instruments Inc
4730-00-203-396711295P11 INTERCHANGEABLE
Coupling,pipe
Taylor Machine Works Inc
4320-00-218-3122981 INTERCHANGEABLE
Ring,lantern
Weil Pump Co Inc
4730-00-223-8041601A INTERCHANGEABLE
Trap,steam
Itt Fluid Technology Corp Itt Mcdonnell and Miller
5930-00-265-9503263X76 INTERCHANGEABLE
Switch,push
General Electric Company
6210-00-325-30261765-30 INTERCHANGEABLE
Lens,light
Te Connectivity Corporation
6105-00-347-031122965 INTERCHANGEABLE
Plate,stator,motor
L3harris Technologies, Inc.
5340-00-389-0054 INTERCHANGEABLE
Bracket,angle
2520-00-397-652322-96-5 INTERCHANGEABLE
Cover,hand Hole
Dana Commercial Vehicle Manufacturing, Llc Dba Dana Commercial Vehicle Products
5365-00-412-9782 INTERCHANGEABLE
Spacer,sleeve
Cross-Reference Index
Part NumberManufacturer
22965 PRIMARY Walker Mfg Co (USA)
54906BX Oshkosh Corp (USA)
22809 Walker Mfg Co (USA)
MUM09-0022 PRIMARY Donaldson Company, Inc. (USA)
533938 Fwd Seagrave Holdings Lp (USA)
86108M PRIMARY Cummins Filtration Inc. (USA)
979541R91 Navistar International Corporation Dba Navistar (USA)
ABT86131 Ar Bee Corp (USA)
MUM090022 Donaldson Company, Inc. (USA)
ABT86131 Brighton Cromwell Llc (USA)
190-9300 Stemco Inc Sub of Coltec Industries Inc (USA)
981 Walker Mfg Co (USA)
217149 Hyster-Yale Group, Inc. (USA)
979541R91 Navistar Intl Corp Truck Br Ohio Plant (USA)
86131-U PRIMARY Cummins Filtration Inc. (USA)
Related Parts
5930-00-075-4673INTERCHANGEABLE
SWITCH,MERCURY
9-8107-SC-8T
4730-00-203-3967INTERCHANGEABLE
COUPLING,PIPE
11295P11
4320-00-218-3122INTERCHANGEABLE
RING,LANTERN
981
4730-00-223-8041INTERCHANGEABLE
TRAP,STEAM
601A
5930-00-265-9503INTERCHANGEABLE
SWITCH,PUSH
263X76
6210-00-325-3026INTERCHANGEABLE
LENS,LIGHT
1765-30
6105-00-347-0311INTERCHANGEABLE
PLATE,STATOR,MOTOR
22965
5340-00-389-0054INTERCHANGEABLE
BRACKET,ANGLE
2520-00-397-6523INTERCHANGEABLE
COVER,HAND HOLE
22-96-5
5365-00-412-9782INTERCHANGEABLE
SPACER,SLEEVE
3020-00-424-3370INTERCHANGEABLE
PULLEY,ENGINE STARTER ROPE
22809
3455-00-540-2724INTERCHANGEABLE
BLADE,HOLE SAW
22809

Frequently Asked Questions

What is NSN 2990-00-065-2833?

NSN 2990-00-065-2833 is a Muffler,exhaust, manufactured by Walker Mfg Co, classified under FSC 2990 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 2990-00-065-2833?

NSN 2990-00-065-2833 has 15 cross-referenced part numbers: 22965 (Walker Mfg Co), 54906BX (Oshkosh Corp), 22809 (Walker Mfg Co), MUM09-0022 (Donaldson Company, Inc.), 533938 (Fwd Seagrave Holdings Lp) and 10 more.

What NSN replaces 2990-00-065-2833?

There are 12 known substitutes for 2990-00-065-2833: 5930-00-075-4673, 4730-00-203-3967, 4320-00-218-3122 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 22965?

Key specifications for 22965: Outlet Projection Length: 3.000 INCHES NOMINAL FIRST OUTLET IN; Outlet Location: CENTRALLY LOCATED ON END OF BODY; End Item Identification: CUMMINS DIESEL ENGINE SERIES V-785; Coolant Type: AIR. 16 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2990-00-065-2833 still in active supply?

NSN 2990-00-065-2833 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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