PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5361821Muffler,exhaust

Am General Llc · NSN 2990-01-158-4573 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-01-158-4573 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-158-4573. Primary manufacturer part number: 5361821.
Features
  • Muffler,exhaust — FSC 2990
  • 3 verified cross-references
  • Primary manufacturer: Am General Llc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Muffler,exhaust, cataloged under National Stock Number 2990-01-158-4573, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Am General Llc. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 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)
ManufacturersAm General Llc (CAGE 34623); Walker Mfg Co (CAGE 79260); Ap Parts Co Industrial Sales Div (CAGE 80266)
Technical Specifications
ParameterValue
NSN2990-01-158-4573
Primary Part Number5361821
Item NameMuffler,exhaust
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerAm General Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
2805-00-030-0811 INTERCHANGEABLE
Oil Pump Assembly,engine
6685-00-463-7519DPCA10-50 INTERCHANGEABLE
Altimeter,dual Pressure,pressuri
Aerosonic Llc
4730-00-491-3486SS-2-ME INTERCHANGEABLE
Elbow,pipe
Swagelok Co
3455-01-065-671350-10354 INTERCHANGEABLE
Reamer,machine
Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
4320-01-293-138322138 INTERCHANGEABLE
Impeller,pump,centrifugal
Industrial Technologies and Services Llc
Cross-Reference Index
Part NumberManufacturer
5361821 Am General Llc (USA)
22138 Walker Mfg Co (USA)
3021 Ap Parts Co Industrial Sales Div (USA)
Related Parts
2805-00-030-0811INTERCHANGEABLE
OIL PUMP ASSEMBLY,ENGINE
6685-00-463-7519INTERCHANGEABLE
ALTIMETER,DUAL PRESSURE,PRESSURI
DPCA10-50
4730-00-491-3486INTERCHANGEABLE
ELBOW,PIPE
SS-2-ME
3455-01-065-6713INTERCHANGEABLE
REAMER,MACHINE
50-10354
4320-01-293-1383INTERCHANGEABLE
IMPELLER,PUMP,CENTRIFUGAL
22138

Frequently Asked Questions

What is NSN 2990-01-158-4573?

NSN 2990-01-158-4573 is a Muffler,exhaust, manufactured by Am General Llc, classified under FSC 2990 (No Item Name Available). Status: active.

What are the part numbers for NSN 2990-01-158-4573?

NSN 2990-01-158-4573 has 3 cross-referenced part numbers: 5361821 (Am General Llc), 22138 (Walker Mfg Co), 3021 (Ap Parts Co Industrial Sales Div).

What NSN replaces 2990-01-158-4573?

There are 5 known substitutes for 2990-01-158-4573: 2805-00-030-0811, 6685-00-463-7519, 4730-00-491-3486 and 2 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com