PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

25003-001Muffler,exhaust

Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace · NSN 2990-00-487-3229 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-00-487-3229 — this item is cataloged by the U.S. Government under National Stock Number 2990-00-487-3229. Primary manufacturer part number: 25003-001.
Features
  • Muffler,exhaust — FSC 2990
  • 3 verified cross-references
  • Primary manufacturer: Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Muffler,exhaust, cataloged under National Stock Number 2990-00-487-3229, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 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)
ManufacturersSargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (CAGE 78062); Lockheed Martin Corporation Div Rms - Mitchel Field (CAGE 56232); Allied Witan Co Dba Alwitco (CAGE 99016)
Technical Specifications
ParameterValue
NSN2990-00-487-3229
Primary Part Number25003-001
Item NameMuffler,exhaust
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerSargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4720-01-183-2328R-36031/16IDX1/80D INTERCHANGEABLE
Tubing,nonmetallic
Norton Co
6630-01-511-37282500-3001 INTERCHANGEABLE
Tubing,analyzer
Ametek Arizona Instrument Llc
Cross-Reference Index
Part NumberManufacturer
25003-001 PRIMARY Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
25003-001 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
EP4-44M15 Allied Witan Co Dba Alwitco (USA)
Related Parts
4720-01-183-2328INTERCHANGEABLE
TUBING,NONMETALLIC
R-36031/16IDX1/80D
6630-01-511-3728INTERCHANGEABLE
TUBING,ANALYZER
2500-3001

Frequently Asked Questions

What is NSN 2990-00-487-3229?

NSN 2990-00-487-3229 is a Muffler,exhaust, manufactured by Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace, classified under FSC 2990 (No Item Name Available). Status: active.

What are the part numbers for NSN 2990-00-487-3229?

NSN 2990-00-487-3229 has 3 cross-referenced part numbers: 25003-001 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace), 25003-001 (Lockheed Martin Corporation Div Rms - Mitchel Field), EP4-44M15 (Allied Witan Co Dba Alwitco).

What NSN replaces 2990-00-487-3229?

There are 2 known substitutes for 2990-00-487-3229: 4720-01-183-2328, 6630-01-511-3728. Verify interchangeability with system specifications before substitution.

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