PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21022Muffler,exhaust

Walker Mfg Co · NSN 2990-00-019-6106 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-00-019-6106 — this item is cataloged by the U.S. Government under National Stock Number 2990-00-019-6106. Primary manufacturer part number: 21022.
Features
  • Muffler,exhaust — FSC 2990
  • Outlet Projection Length: 2.100 INCHES NOMINAL FIRST OUTLET IN
  • Tube Quantity: 1
  • Outlet Location: CENTRALLY LOCATED IN END SECTION OF BODY
  • Design Type: DRY
  • Inlet Projection Length: 2.000 INCHES NOMINAL SINGLE INLET IN
  • Inlet Inside Diameter: 2.000 INCHES NOMINAL SINGLE INLET IN
  • Material: STEEL LOCATION NOT OTHERWISE SPECIFIED
Applications
  • Applications requiring Steel Location Not Otherwise Specified construction
General Description

The Muffler,exhaust, cataloged under National Stock Number 2990-00-019-6106, 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 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 24 commercial cross-references from 15 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
NSN2990-00-019-6106
Primary Part Number21022
Item NameMuffler,exhaust
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerWalker Mfg Co
StatusCANCELLED
Outlet Projection Length2.100 INCHES NOMINAL FIRST OUTLET IN
Tube Quantity1
Outlet LocationCENTRALLY LOCATED IN END SECTION OF BODY
Design TypeDRY
Inlet Projection Length2.000 INCHES NOMINAL SINGLE INLET IN
Inlet Inside Diameter2.000 INCHES NOMINAL SINGLE INLET IN
MaterialSTEEL LOCATION NOT OTHERWISE SPECIFIED
Inlet LocationCENTRALLY LOCATED IN END SECTION OF BODY
Coolant TypeAIR
Operating PositionHORIZONTAL
Muffler DesignBAFFLE
Overall Diameter5.000 INCHES NOMINAL IN
Outlet Inside Diameter1.750 INCHES NOMINAL FIRST OUTLET IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5977-00-019-091510569 INTERCHANGEABLE
Brush,electrical Contact
Miraj Corp
4820-00-036-151510569 INTERCHANGEABLE
Rod,connecting
Leslie Controls, Inc. Dba Leslie Controls Inc
5950-00-070-8103580R025H01 INTERCHANGEABLE
Transformer,power
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
5330-00-074-10271181905 INTERCHANGEABLE
Gasket
Chrysler Realty Company Llc Dba Daimler Chrysler
5905-00-088-1673210-22 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Keysight Technologies Inc
3110-00-119-7884202PPFS50104 INTERCHANGEABLE
Bearing,ball,annular
Timken Co Div the Timken Company
5977-00-152-96332711 INTERCHANGEABLE
Brush,electrical Contact
Winchester Interconnect Ruggedized Corporation Dba Winchester Interconnect
3110-00-156-1902 INTERCHANGEABLE
Bearing,ball,thrust
5330-00-171-724100737 ST25 SH164 INTERCHANGEABLE
Gasket
Defense Logistics Agency Dba Defense Supply Center Philadelphia
5325-00-174-90062-915 INTERCHANGEABLE
Grommet,nonmetallic
Pdi Ground Support Systems, Inc.
Cross-Reference Index
Part NumberManufacturer
2915 Harvard Industries (USA)
94 Haviland Arnold Co (USA)
T-10569 Cummins Filtration Inc. (USA)
091-22299617 Ar Bee Corp (USA)
7HC5230D Ford Motor Company (USA)
7HC5230D Ford Motor Co Ford Parts and Service Div Government Part Sales (USA)
21022 De Koven Mfg Co (USA)
2229617 Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
21022 PRIMARY Walker Mfg Co (USA)
GB-510569A Brighton Cromwell Llc (USA)
10569 Cummins Filtration Inc. (USA)
ABT10569 Brighton Cromwell Llc (USA)
MU794 Mahle Aftermarket Inc. Dba Ae Clevite Inc (USA)
735 Ap Parts Co Industrial Sales Div (USA)
10569N PRIMARY Cummins Filtration Inc. (USA)
GB-510569A Ar Bee Corp (USA)
604 Walker Mfg Co (USA)
ABT10569 Ar Bee Corp (USA)
2508346 Chrysler Realty Company Llc Dba Daimler Chrysler (USA)
2229617 Chrysler Corp Hamtramck Assembly (USA)
Related Parts
5977-00-019-0915INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
10569
4820-00-036-1515INTERCHANGEABLE
ROD,CONNECTING
10569
5950-00-070-8103INTERCHANGEABLE
TRANSFORMER,POWER
580R025H01
5330-00-074-1027INTERCHANGEABLE
GASKET
1181905
5905-00-088-1673INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
210-22
3110-00-119-7884INTERCHANGEABLE
BEARING,BALL,ANNULAR
202PPFS50104
5977-00-152-9633INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
2711
3110-00-156-1902INTERCHANGEABLE
BEARING,BALL,THRUST
5330-00-171-7241INTERCHANGEABLE
GASKET
00737 ST25 SH164
5325-00-174-9006INTERCHANGEABLE
GROMMET,NONMETALLIC
2-915
4730-00-202-9326INTERCHANGEABLE
FITTING,LUBRICATION
S-1109
5133-00-232-8135INTERCHANGEABLE
DRILL,TWIST

Frequently Asked Questions

What is NSN 2990-00-019-6106?

NSN 2990-00-019-6106 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 2990-00-019-6106?

NSN 2990-00-019-6106 has 24 cross-referenced part numbers: 2915 (Harvard Industries), 94 (Haviland Arnold Co), T-10569 (Cummins Filtration Inc.), 091-22299617 (Ar Bee Corp), 7HC5230D (Ford Motor Company) and 19 more.

What NSN replaces 2990-00-019-6106?

There are 12 known substitutes for 2990-00-019-6106: 5977-00-019-0915, 4820-00-036-1515, 5950-00-070-8103 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21022?

Key specifications for 21022: Outlet Projection Length: 2.100 INCHES NOMINAL FIRST OUTLET IN; Tube Quantity: 1; Outlet Location: CENTRALLY LOCATED IN END SECTION OF BODY; Design Type: DRY. 14 total characteristics are documented in the Federal Logistics Information System.

Is NSN 2990-00-019-6106 still in active supply?

NSN 2990-00-019-6106 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.
PartsTable Design LLC · partstable.com