PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

22505Muffler,exhaust

Walker Mfg Co · NSN 2990-01-347-2271 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-01-347-2271 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-347-2271. Primary manufacturer part number: 22505.
Features
  • Muffler,exhaust — FSC 2990
  • Body Shape: OVAL
  • Design Type: DRY
  • 3 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 2990-01-347-2271, 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 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2990-01-347-2271
Primary Part Number22505
Item NameMuffler,exhaust
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerWalker Mfg Co
StatusACTIVE
Body ShapeOVAL
Design TypeDRY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5130-00-018-5852 INTERCHANGEABLE
Bit,wire Wrapping Tool
5930-00-031-4484 INTERCHANGEABLE
Switch,toggle
3110-00-100-03773732 INTERCHANGEABLE
Cup,tapered Roller Bearing
The Timken Corporation
5975-00-212-6247 INTERCHANGEABLE
Ring,electrical Bonding
5330-00-842-662522505 INTERCHANGEABLE
Gasket
Spirax Sarco Inc Dba Spirax Sarco
5340-01-210-1818115637130 INTERCHANGEABLE
Handwheel
Bird-Johnson Propeller Company, Llc
4820-01-261-413022505 INTERCHANGEABLE
Valve,ball
Tritan Corp
5365-01-318-188722505 INTERCHANGEABLE
Plug,machine Thread
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
Cross-Reference Index
Part NumberManufacturer
22505 PRIMARY Walker Mfg Co (USA)
15584698 General Motors Llc Dba General Motors Llc (USA)
15584698 General Motors Corp Chevrolet Motor Div Special Products Dept (USA)
Related Parts
5130-00-018-5852INTERCHANGEABLE
BIT,WIRE WRAPPING TOOL
5930-00-031-4484INTERCHANGEABLE
SWITCH,TOGGLE
3110-00-100-0377INTERCHANGEABLE
CUP,TAPERED ROLLER BEARING
3732
5975-00-212-6247INTERCHANGEABLE
RING,ELECTRICAL BONDING
5330-00-842-6625INTERCHANGEABLE
GASKET
22505
5340-01-210-1818INTERCHANGEABLE
HANDWHEEL
115637130
4820-01-261-4130INTERCHANGEABLE
VALVE,BALL
22505
5365-01-318-1887INTERCHANGEABLE
PLUG,MACHINE THREAD
22505

Frequently Asked Questions

What is NSN 2990-01-347-2271?

NSN 2990-01-347-2271 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 2990-01-347-2271?

NSN 2990-01-347-2271 has 3 cross-referenced part numbers: 22505 (Walker Mfg Co), 15584698 (General Motors Llc Dba General Motors Llc), 15584698 (General Motors Corp Chevrolet Motor Div Special Products Dept).

What NSN replaces 2990-01-347-2271?

There are 8 known substitutes for 2990-01-347-2271: 5130-00-018-5852, 5930-00-031-4484, 3110-00-100-0377 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 22505?

Key specifications for 22505: Overall Width: 9.750 INCHES NOMINAL IN; Body Shape: OVAL; Overall Height: 4.250 INCHES NOMINAL IN; Design Type: DRY. 6 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