PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12269Muffler

Gse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems · NSN 2990-01-507-0406 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-01-507-0406 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-507-0406. Primary manufacturer part number: 12269.
Features
  • Muffler — FSC 2990
  • 2 verified cross-references
  • Primary manufacturer: Gse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Muffler, cataloged under National Stock Number 2990-01-507-0406, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Gse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2990-01-507-0406
Primary Part Number12269
Item NameMuffler
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerGse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3010-00-140-409012-269 INTERCHANGEABLE
Universal Joint,nonvehicular
Apex Tool Group, Llc
5120-00-935-7427 INTERCHANGEABLE
Socket,socket Wrench
6625-01-092-1199 INTERCHANGEABLE
Multimeter
3040-01-344-639912269 INTERCHANGEABLE
Shaft,shouldered
DP Manufacturing Inc.
5950-01-432-553281390-01 INTERCHANGEABLE
Reactor
Ge Aviation Systems Llc Dba Ge Aviation
6525-01-574-7136040-0006-0005 INTERCHANGEABLE
Harness,power,computed Radiograp
Minxray Inc
Cross-Reference Index
Part NumberManufacturer
12269 Gse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems (USA)
12269 Itw Gse Inc. (USA)
Related Parts
3010-00-140-4090INTERCHANGEABLE
UNIVERSAL JOINT,NONVEHICULAR
12-269
5120-00-935-7427INTERCHANGEABLE
SOCKET,SOCKET WRENCH
6625-01-092-1199INTERCHANGEABLE
MULTIMETER
3040-01-344-6399INTERCHANGEABLE
SHAFT,SHOULDERED
12269
5950-01-432-5532INTERCHANGEABLE
REACTOR
81390-01
6525-01-574-7136INTERCHANGEABLE
HARNESS,POWER,COMPUTED RADIOGRAP
040-0006-0005

Frequently Asked Questions

What is NSN 2990-01-507-0406?

NSN 2990-01-507-0406 is a Muffler, manufactured by Gse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems, classified under FSC 2990 (No Item Name Available). Status: active.

What are the part numbers for NSN 2990-01-507-0406?

NSN 2990-01-507-0406 has 2 cross-referenced part numbers: 12269 (Gse Holdings Inc. Dba Itw Military Gse Div Hobart Ground Systems), 12269 (Itw Gse Inc.).

What NSN replaces 2990-01-507-0406?

There are 6 known substitutes for 2990-01-507-0406: 3010-00-140-4090, 5120-00-935-7427, 6625-01-092-1199 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12269?

Key specifications for 12269: End Item Identification: F/A-22 RAPTOR. 1 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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