PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

22241Muffler,exhaust

Walker Mfg Co · NSN 2990-01-157-6243 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-01-157-6243 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-157-6243. Primary manufacturer part number: 22241.
Features
  • Muffler,exhaust — FSC 2990
  • 7 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 2990-01-157-6243, 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. This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameMuffler,exhaust
FSC / FSG2990 — No Item Name Available (FSG 29)
ManufacturersKittrell Auto Parts (CAGE 0VXK1); Walker Mfg Co (CAGE 79260); Ap Parts Co Industrial Sales Div (CAGE 80266); General Motors Llc Dba General Motors Llc (CAGE 7X677); General Motors Corp Chevrolet Motor Div Special Products Dept (CAGE 11862)
Technical Specifications
ParameterValue
NSN2990-01-157-6243
Primary Part Number22241
Item NameMuffler,exhaust
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerWalker Mfg Co
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5305-00-010-2616102616 INTERCHANGEABLE
Setscrew
General Motors Llc Dba General Motors Llc
5120-00-032-94392827 INTERCHANGEABLE
Expander
Allison Transmission Inc Dba Allison Transmission, Inc
5120-00-032-94412872 INTERCHANGEABLE
Puller,mechanical
Allison Transmission Inc Dba Allison Transmission, Inc
3110-00-100-369002872 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
5325-00-174-9341 INTERCHANGEABLE
Grommet,nonmetallic
5360-00-209-7670 INTERCHANGEABLE
Spring,helical,compression
3455-00-249-178219654 INTERCHANGEABLE
Reamer,machine
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
5330-00-285-8385PGF8764 INTERCHANGEABLE
Seal,plain Encased
Dana Off Highway Products, Llc
2915-00-373-866022241 INTERCHANGEABLE
Connector,mixture Control
Triumph Engine Control Systems Llc
5985-00-489-6814G300083S5 INTERCHANGEABLE
Coupler,directional
L3harris Technologies, Inc Div Space & Airborne Systems
Cross-Reference Index
Part NumberManufacturer
22241 MFR:WALKE Kittrell Auto Parts (USA)
22241 PRIMARY Walker Mfg Co (USA)
2827 Ap Parts Co Industrial Sales Div (USA)
2872 Ap Parts Co Industrial Sales Div (USA)
15618163 PRIMARY General Motors Llc Dba General Motors Llc (USA)
15618163 General Motors Corp Chevrolet Motor Div Special Products Dept (USA)
14045068 General Motors Corp Chevrolet Motor Div Special Products Dept (USA)
Related Parts
5305-00-010-2616INTERCHANGEABLE
SETSCREW
102616
5120-00-032-9439INTERCHANGEABLE
EXPANDER
2827
5120-00-032-9441INTERCHANGEABLE
PULLER,MECHANICAL
2872
3110-00-100-3690INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
02872
5325-00-174-9341INTERCHANGEABLE
GROMMET,NONMETALLIC
5360-00-209-7670INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
3455-00-249-1782INTERCHANGEABLE
REAMER,MACHINE
19654
5330-00-285-8385INTERCHANGEABLE
SEAL,PLAIN ENCASED
PGF8764
2915-00-373-8660INTERCHANGEABLE
CONNECTOR,MIXTURE CONTROL
22241
5985-00-489-6814INTERCHANGEABLE
COUPLER,DIRECTIONAL
G300083S5
5330-00-599-5152INTERCHANGEABLE
SEAL,PLAIN ENCASED
21158-1200
5950-00-646-2073INTERCHANGEABLE
TRANSFORMER,POWER
606780

Frequently Asked Questions

What is NSN 2990-01-157-6243?

NSN 2990-01-157-6243 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 2990-01-157-6243?

NSN 2990-01-157-6243 has 7 cross-referenced part numbers: 22241 MFR:WALKE (Kittrell Auto Parts), 22241 (Walker Mfg Co), 2827 (Ap Parts Co Industrial Sales Div), 2872 (Ap Parts Co Industrial Sales Div), 15618163 (General Motors Llc Dba General Motors Llc) and 2 more.

What NSN replaces 2990-01-157-6243?

There are 12 known substitutes for 2990-01-157-6243: 5305-00-010-2616, 5120-00-032-9439, 5120-00-032-9441 and 9 more. Verify interchangeability with system specifications before substitution.

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