PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21837Muffler,exhaust

Walker Mfg Co · NSN 2990-01-165-8292 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-01-165-8292 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-165-8292. Primary manufacturer part number: 21837.
Features
  • Muffler,exhaust — FSC 2990
  • Design Type: DRY
  • Operating Position: HORIZONTAL
  • Muffler Design: STRAIGHT THROUGH
  • 4 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 2990-01-165-8292, 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 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2990-01-165-8292
Primary Part Number21837
Item NameMuffler,exhaust
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerWalker Mfg Co
StatusACTIVE
Design TypeDRY
Operating PositionHORIZONTAL
Muffler DesignSTRAIGHT THROUGH
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5360-00-105-4344PM21837 INTERCHANGEABLE
Spring,helical,extension
Mason Electric Co. Dba Mason Controls
5985-00-178-1143251758 INTERCHANGEABLE
Coupler,directional
Raytheon Company Dba Raytheon
5220-00-214-0830 INTERCHANGEABLE
Gage,plug,plain Cylindrical
5120-00-248-66653670 INTERCHANGEABLE
Socket,crowfoot Wrench Head
Wta Tool Llc
5970-00-353-717221837 INTERCHANGEABLE
Insulator,bushing
Mitsubishi Caterpillar Forklift America, Inc
6670-00-364-1565 INTERCHANGEABLE
Scale,weighing
3020-00-463-31111K3611 INTERCHANGEABLE
Gear,internal
Caterpillar Inc Div Caterpillar Defense
3030-00-528-4736 INTERCHANGEABLE
Belt,v
4240-01-100-7441 INTERCHANGEABLE
Strap,safety,industrial
5340-01-157-375510513125 INTERCHANGEABLE
Retainer,spring
General Dynamics Land Systems Canadacorp
Cross-Reference Index
Part NumberManufacturer
21837 PRIMARY Walker Mfg Co (USA)
3670 Ap Parts Co Industrial Sales Div (USA)
870876C91 Navistar Intl Corp Truck Br Ohio Plant (USA)
3670 Goerlichs (USA)
Related Parts
5360-00-105-4344INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
PM21837
5985-00-178-1143INTERCHANGEABLE
COUPLER,DIRECTIONAL
251758
5220-00-214-0830INTERCHANGEABLE
GAGE,PLUG,PLAIN CYLINDRICAL
5120-00-248-6665INTERCHANGEABLE
SOCKET,CROWFOOT WRENCH HEAD
3670
5970-00-353-7172INTERCHANGEABLE
INSULATOR,BUSHING
21837
6670-00-364-1565INTERCHANGEABLE
SCALE,WEIGHING
3020-00-463-3111INTERCHANGEABLE
GEAR,INTERNAL
1K3611
3030-00-528-4736INTERCHANGEABLE
BELT,V
4240-01-100-7441INTERCHANGEABLE
STRAP,SAFETY,INDUSTRIAL
5340-01-157-3755INTERCHANGEABLE
RETAINER,SPRING
10513125
5930-01-182-8865INTERCHANGEABLE
SWITCH,PRESSURE
21837
5935-01-208-2139INTERCHANGEABLE
CONNECTOR BODY,PLUG,ELECTRICAL

Frequently Asked Questions

What is NSN 2990-01-165-8292?

NSN 2990-01-165-8292 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 2990-01-165-8292?

NSN 2990-01-165-8292 has 4 cross-referenced part numbers: 21837 (Walker Mfg Co), 3670 (Ap Parts Co Industrial Sales Div), 870876C91 (Navistar Intl Corp Truck Br Ohio Plant), 3670 (Goerlichs).

What NSN replaces 2990-01-165-8292?

There are 12 known substitutes for 2990-01-165-8292: 5360-00-105-4344, 5985-00-178-1143, 5220-00-214-0830 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21837?

Key specifications for 21837: Design Type: DRY; End Item Identification: INTERNATIONAL HARVESTER TRUCK,MODELS CO-1610A AND CO-1630A W/4 IN. EXHAUST A; Operating Position: HORIZONTAL; Muffler Design: STRAIGHT THROUGH. 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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