PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

22851Muffler,exhaust-Intake

Walker Mfg Co · NSN 2990-01-309-2297 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-01-309-2297 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-309-2297. Primary manufacturer part number: 22851.
Features
  • Muffler,exhaust-Intake — FSC 2990
  • Material: STEEL
  • 2 verified cross-references
  • Primary manufacturer: Walker Mfg Co
Applications
  • Applications requiring Steel construction
General Description

The Muffler,exhaust-Intake, cataloged under National Stock Number 2990-01-309-2297, 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 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2990-01-309-2297
Primary Part Number22851
Item NameMuffler,exhaust-Intake
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerWalker Mfg Co
StatusACTIVE
MaterialSTEEL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
2520-00-164-545622851 INTERCHANGEABLE
Gear and Shaft
Eaton Corporation
5985-00-993-52752285-1 INTERCHANGEABLE
Antenna
Axillon Aerospace (baltimore) Inc.
2910-01-198-086822851 INTERCHANGEABLE
Cover,governor Control
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
5330-01-619-376722851 INTERCHANGEABLE
Gasket
Westerbeke Corporation
Cross-Reference Index
Part NumberManufacturer
476845C1 Navistar Intl Corp Truck Br Ohio Plant (USA)
22851 PRIMARY Walker Mfg Co (USA)
Related Parts
2520-00-164-5456INTERCHANGEABLE
GEAR AND SHAFT
22851
5985-00-993-5275INTERCHANGEABLE
ANTENNA
2285-1
2910-01-198-0868INTERCHANGEABLE
COVER,GOVERNOR CONTROL
22851
5330-01-619-3767INTERCHANGEABLE
GASKET
22851

Frequently Asked Questions

What is NSN 2990-01-309-2297?

NSN 2990-01-309-2297 is a Muffler,exhaust-Intake, manufactured by Walker Mfg Co, classified under FSC 2990 (No Item Name Available). Status: active.

What are the part numbers for NSN 2990-01-309-2297?

NSN 2990-01-309-2297 has 2 cross-referenced part numbers: 476845C1 (Navistar Intl Corp Truck Br Ohio Plant), 22851 (Walker Mfg Co).

What NSN replaces 2990-01-309-2297?

There are 4 known substitutes for 2990-01-309-2297: 2520-00-164-5456, 5985-00-993-5275, 2910-01-198-0868 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 22851?

Key specifications for 22851: Material: STEEL; Overall Length: 51.000 INCHES NOMINAL IN; Overall Width: 10.125 INCHES NOMINAL IN; Overall Height: 10.125 INCHES NOMINAL IN. 4 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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