PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

22500Muffler,exhaust

Walker Mfg Co · NSN 2990-01-399-0942 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-01-399-0942 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-399-0942. Primary manufacturer part number: 22500.
Features
  • Muffler,exhaust — FSC 2990
  • 2 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 2990-01-399-0942, 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 2 commercial cross-references from 2 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)
ManufacturersMorins Auto Parts (CAGE 0NB52); Walker Mfg Co (CAGE 79260)
Technical Specifications
ParameterValue
NSN2990-01-399-0942
Primary Part Number22500
Item NameMuffler,exhaust
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerWalker Mfg Co
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6105-00-034-375922500 INTERCHANGEABLE
End Bell,electrical Rotating Equ
Ontic Engineering & Manufacturing, Inc Dba Ontic Us
5985-00-168-890122500 INTERCHANGEABLE
Coupler,directional
Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq
5975-00-642-8868 INTERCHANGEABLE
Cable Nipple,electrical
6695-00-803-240722500M INTERCHANGEABLE
Polygraph Instrument,recording
Stoelting Co
5826-00-892-10610812696-3 INTERCHANGEABLE
Control,radio Set
Textron Aviation Inc
6605-00-919-1529 INTERCHANGEABLE
Board,power Supply
5330-01-091-8530225-00 INTERCHANGEABLE
Retainer,packing
Trac Regulator Co., Inc. Dba Trac Regulator Co Inc
6665-01-149-8637 INTERCHANGEABLE
Wick,meter,temperature
3030-01-231-7066197 INTERCHANGEABLE
Belt,v
Gates Corporation
2995-01-337-483122500 INTERCHANGEABLE
Hanger,engine Exhaust System
Parker Hannifin Corporation Div Hydraulic Systems Division
Cross-Reference Index
Part NumberManufacturer
22500 Morins Auto Parts (USA)
22500 PRIMARY Walker Mfg Co (USA)
Related Parts
6105-00-034-3759INTERCHANGEABLE
END BELL,ELECTRICAL ROTATING EQU
22500
5985-00-168-8901INTERCHANGEABLE
COUPLER,DIRECTIONAL
22500
5975-00-642-8868INTERCHANGEABLE
CABLE NIPPLE,ELECTRICAL
6695-00-803-2407INTERCHANGEABLE
POLYGRAPH INSTRUMENT,RECORDING
22500M
5826-00-892-1061INTERCHANGEABLE
CONTROL,RADIO SET
0812696-3
6605-00-919-1529INTERCHANGEABLE
BOARD,POWER SUPPLY
5330-01-091-8530INTERCHANGEABLE
RETAINER,PACKING
225-00
6665-01-149-8637INTERCHANGEABLE
WICK,METER,TEMPERATURE
3030-01-231-7066INTERCHANGEABLE
BELT,V
197
2995-01-337-4831INTERCHANGEABLE
HANGER,ENGINE EXHAUST SYSTEM
22500
3120-01-407-5373INTERCHANGEABLE
BUSHING,SLEEVE
739-06
7350-01-413-9304INTERCHANGEABLE
TRAY,MESS,DISPOSABLE
22500

Frequently Asked Questions

What is NSN 2990-01-399-0942?

NSN 2990-01-399-0942 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 2990-01-399-0942?

NSN 2990-01-399-0942 has 2 cross-referenced part numbers: 22500 (Morins Auto Parts), 22500 (Walker Mfg Co).

What NSN replaces 2990-01-399-0942?

There are 12 known substitutes for 2990-01-399-0942: 6105-00-034-3759, 5985-00-168-8901, 5975-00-642-8868 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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