PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21382Muffler,exhaust

Walker Mfg Co · NSN 2990-01-074-6351 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-01-074-6351 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-074-6351. Primary manufacturer part number: 21382.
Features
  • Muffler,exhaust — FSC 2990
  • 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 2990-01-074-6351, 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 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 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)
ManufacturersMilitary Vehicles Opn General Motors Truck and Bus Group Ms 2603-02 (CAGE 23862); General Motors Llc Dba General Motors Llc (CAGE 7X677); Walker Mfg Co (CAGE 79260)
Technical Specifications
ParameterValue
NSN2990-01-074-6351
Primary Part Number21382
Item NameMuffler,exhaust
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerWalker Mfg Co
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
3805-00-163-229721382 INTERCHANGEABLE
Piston
Komatsu America Corporation
6685-00-480-651721382 INTERCHANGEABLE
Shaft Assembly,altimeter
Aerosonic Llc
5325-00-599-921421382 INTERCHANGEABLE
Grommet,nonmetallic
Frontgrade Technologies Inc.
6145-00-655-2728 INTERCHANGEABLE
Cable,radio Frequency
1680-00-754-601721382-1 INTERCHANGEABLE
Switch Assy,grip Co
Mason Electric Co. Dba Mason Controls
5935-01-060-62602138-2 INTERCHANGEABLE
Adapter,electrical Plug,quick Di
Fluke Electronics Corp
5998-01-098-742521382 INTERCHANGEABLE
Circuit Card Assembly
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
5970-01-302-9678200036-0006 INTERCHANGEABLE
Insulation Sleeving,electrical
Safran Electrical Components Usa, Inc Div Safran Electrical Components Usa
6110-01-591-7829LC1200 INTERCHANGEABLE
Conditioner,power Line
Tripplite Div of Trippe Mfg Co
Cross-Reference Index
Part NumberManufacturer
798803 Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02 (USA)
798803 General Motors Llc Dba General Motors Llc (USA)
21382 PRIMARY Walker Mfg Co (USA)
Related Parts
3805-00-163-2297INTERCHANGEABLE
PISTON
21382
6685-00-480-6517INTERCHANGEABLE
SHAFT ASSEMBLY,ALTIMETER
21382
5325-00-599-9214INTERCHANGEABLE
GROMMET,NONMETALLIC
21382
6145-00-655-2728INTERCHANGEABLE
CABLE,RADIO FREQUENCY
1680-00-754-6017INTERCHANGEABLE
SWITCH ASSY,GRIP CO
21382-1
5935-01-060-6260INTERCHANGEABLE
ADAPTER,ELECTRICAL PLUG,QUICK DI
2138-2
5998-01-098-7425INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
21382
5970-01-302-9678INTERCHANGEABLE
INSULATION SLEEVING,ELECTRICAL
200036-0006
6110-01-591-7829INTERCHANGEABLE
CONDITIONER,POWER LINE
LC1200

Frequently Asked Questions

What is NSN 2990-01-074-6351?

NSN 2990-01-074-6351 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 2990-01-074-6351?

NSN 2990-01-074-6351 has 3 cross-referenced part numbers: 798803 (Military Vehicles Opn General Motors Truck and Bus Group Ms 2603-02), 798803 (General Motors Llc Dba General Motors Llc), 21382 (Walker Mfg Co).

What NSN replaces 2990-01-074-6351?

There are 9 known substitutes for 2990-01-074-6351: 3805-00-163-2297, 6685-00-480-6517, 5325-00-599-9214 and 6 more. Verify interchangeability with system specifications before substitution.

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