PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

22186Muffler,exhaust

Walker Mfg Co · NSN 2990-01-254-6262 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-01-254-6262 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-254-6262. Primary manufacturer part number: 22186.
Features
  • Muffler,exhaust — FSC 2990
  • Body Shape: OVAL
  • 4 verified cross-references
  • Primary manufacturer: Walker Mfg Co
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Muffler,exhaust, cataloged under National Stock Number 2990-01-254-6262, 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 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2990-01-254-6262
Primary Part Number22186
Item NameMuffler,exhaust
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerWalker Mfg Co
StatusACTIVE
Body ShapeOVAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5330-00-053-27688603436 INTERCHANGEABLE
Gasket
Naval Sea Systems Command
1630-00-370-5954 INTERCHANGEABLE
Expander Tube Assembly
4920-00-838-6316 INTERCHANGEABLE
Matrix Module Assy
5895-00-887-8443 INTERCHANGEABLE
Contact Subassy
4810-00-953-500542558 INTERCHANGEABLE
Sleeve and Slide,directional Con
Woodward Hrt Inc
5945-00-977-5850 INTERCHANGEABLE
Relay,thermal
5962-01-030-7983 INTERCHANGEABLE
Microcircuit,linear
3455-01-041-881650-10619 INTERCHANGEABLE
Reamer,machine
Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
2510-01-154-546822186 INTERCHANGEABLE
Bracket,straddle Mount
Hme, Inc. Dba Hme Ahrens-Fox
5360-01-196-680222186 INTERCHANGEABLE
Spring,helical,compression
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
Cross-Reference Index
Part NumberManufacturer
14063796 General Motors Llc Dba General Motors Llc (USA)
14063796 General Motors Corp Chevrolet Motor Div Special Products Dept (USA)
42558 Walker Mfg Co (USA)
22186 PRIMARY Walker Mfg Co (USA)
Related Parts
5330-00-053-2768INTERCHANGEABLE
GASKET
8603436
1630-00-370-5954INTERCHANGEABLE
EXPANDER TUBE ASSEMBLY
4920-00-838-6316INTERCHANGEABLE
MATRIX MODULE ASSY
5895-00-887-8443INTERCHANGEABLE
CONTACT SUBASSY
4810-00-953-5005INTERCHANGEABLE
SLEEVE AND SLIDE,DIRECTIONAL CON
42558
5945-00-977-5850INTERCHANGEABLE
RELAY,THERMAL
5962-01-030-7983INTERCHANGEABLE
MICROCIRCUIT,LINEAR
3455-01-041-8816INTERCHANGEABLE
REAMER,MACHINE
50-10619
2510-01-154-5468INTERCHANGEABLE
BRACKET,STRADDLE MOUNT
22186
5360-01-196-6802INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
22186

Frequently Asked Questions

What is NSN 2990-01-254-6262?

NSN 2990-01-254-6262 is a Muffler,exhaust, manufactured by Walker Mfg Co, classified under FSC 2990 (No Item Name Available). Status: active.

What are the part numbers for NSN 2990-01-254-6262?

NSN 2990-01-254-6262 has 4 cross-referenced part numbers: 14063796 (General Motors Llc Dba General Motors Llc), 14063796 (General Motors Corp Chevrolet Motor Div Special Products Dept), 42558 (Walker Mfg Co), 22186 (Walker Mfg Co).

What NSN replaces 2990-01-254-6262?

There are 10 known substitutes for 2990-01-254-6262: 5330-00-053-2768, 1630-00-370-5954, 4920-00-838-6316 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 22186?

Key specifications for 22186: Overall Length: 21.000 INCHES NOMINAL IN; End Item Identification: TRUCK; MODEL BLAZER; GMC,CHEVROLET MOTOR DIVISION; Body Shape: OVAL. 3 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com