PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

22394Muffler,exhaust

Walker Mfg Co · NSN 2990-01-431-9089 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-01-431-9089 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-431-9089. Primary manufacturer part number: 22394.
Features
  • Muffler,exhaust — FSC 2990
  • 1 verified cross-reference
  • 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 2990-01-431-9089, 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 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2990-01-431-9089
Primary Part Number22394
Item NameMuffler,exhaust
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerWalker Mfg Co
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
4820-00-071-166522394 INTERCHANGEABLE
Disk,valve
Provision, Inc. Dba Provision Inc
5940-00-409-66592962447 INTERCHANGEABLE
Terminal,quick Disconnect
Arrow Electronics Inc Div Power & Signal Group
5365-00-900-180522394 INTERCHANGEABLE
Spacer,ring
Hamilton Sundstrand Corporation Dba Collins Aerospace
3030-01-115-268222394 GATOR BACK 20033641 INTERCHANGEABLE
Belt,v
Contitech Usa, Inc Dba Veyance Technologies
5930-01-508-8159 INTERCHANGEABLE
Switch,pressure
5345-01-544-42527000045096 INTERCHANGEABLE
Disk,abrasive
3m Company
5310-01-547-884322394 INTERCHANGEABLE
Washer,flat
Charles Reed Knight Jr Dba Knight's Armament Company
Cross-Reference Index
Part NumberManufacturer
22394 PRIMARY Walker Mfg Co (USA)
Related Parts
4820-00-071-1665INTERCHANGEABLE
DISK,VALVE
22394
5940-00-409-6659INTERCHANGEABLE
TERMINAL,QUICK DISCONNECT
2962447
5365-00-900-1805INTERCHANGEABLE
SPACER,RING
22394
3030-01-115-2682INTERCHANGEABLE
BELT,V
22394 GATOR BACK 20033641
5930-01-508-8159INTERCHANGEABLE
SWITCH,PRESSURE
5345-01-544-4252INTERCHANGEABLE
DISK,ABRASIVE
7000045096
5310-01-547-8843INTERCHANGEABLE
WASHER,FLAT
22394

Frequently Asked Questions

What is NSN 2990-01-431-9089?

NSN 2990-01-431-9089 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 2990-01-431-9089?

NSN 2990-01-431-9089 has 1 cross-referenced part number: 22394 (Walker Mfg Co).

What NSN replaces 2990-01-431-9089?

There are 7 known substitutes for 2990-01-431-9089: 4820-00-071-1665, 5940-00-409-6659, 5365-00-900-1805 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 22394?

Key specifications for 22394: Special Features: MULTI-APPLICATION. 1 total characteristics are documented in the Federal Logistics Information System.

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