PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

32401Muffler,exhaust

Lauson Division of Tecumseh Products Co · NSN 2990-01-130-4751 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-01-130-4751 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-130-4751. Primary manufacturer part number: 32401.
Features
  • Muffler,exhaust — FSC 2990
  • Material: STEEL LOCATION NOT OTHERWISE SPECIFIED
  • Inlet Location: SIDE SECTION OF BODY
  • Inlet Flange Mounting Provision and Quantity: 2 HOLES SINGLE INLET
  • Operating Position: UNIVERSAL
  • Design Type: DRY
  • Body Shape: RECTANGULAR
  • Inlet Flange Shape: OVAL SINGLE INLET
Applications
  • Applications requiring Steel Location Not Otherwise Specified construction
General Description

The Muffler,exhaust, cataloged under National Stock Number 2990-01-130-4751, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Lauson Division of Tecumseh Products Co. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN2990-01-130-4751
Primary Part Number32401
Item NameMuffler,exhaust
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerLauson Division of Tecumseh Products Co
StatusACTIVE
MaterialSTEEL LOCATION NOT OTHERWISE SPECIFIED
Inlet LocationSIDE SECTION OF BODY
Inlet Flange Mounting Provision and Quantity2 HOLES SINGLE INLET
Operating PositionUNIVERSAL
Design TypeDRY
Body ShapeRECTANGULAR
Inlet Flange ShapeOVAL SINGLE INLET
Inlet Flange Mounting Hole Diameter0.312 INCHES NOMINAL SINGLE INLET IN
Inlet Connection TypeFLANGE SINGLE INLET
Coolant TypeAIR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
4730-00-011-370210DX489 INTERCHANGEABLE
Cup,oil,lubricating
Fwd Seagrave Holdings Lp
3110-00-144-8730200SFG INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
6750-00-463-4270 INTERCHANGEABLE
Developer,photographic
5930-00-651-78733240-1 INTERCHANGEABLE
Repair Kit,switch
Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S
5340-01-512-6042267018020039746 INTERCHANGEABLE
Grille,metal
Tate Andale, Llc
5180-01-628-606632401 INTERCHANGEABLE
Tool Kit,small Arms
Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc
Cross-Reference Index
Part NumberManufacturer
32401 Lauson Division of Tecumseh Products Co (USA)
Related Parts
4730-00-011-3702INTERCHANGEABLE
CUP,OIL,LUBRICATING
10DX489
3110-00-144-8730INTERCHANGEABLE
BEARING,BALL,ANNULAR
200SFG
6750-00-463-4270INTERCHANGEABLE
DEVELOPER,PHOTOGRAPHIC
5930-00-651-7873INTERCHANGEABLE
REPAIR KIT,SWITCH
3240-1
5340-01-512-6042INTERCHANGEABLE
GRILLE,METAL
267018020039746
5180-01-628-6066INTERCHANGEABLE
TOOL KIT,SMALL ARMS
32401

Frequently Asked Questions

What is NSN 2990-01-130-4751?

NSN 2990-01-130-4751 is a Muffler,exhaust, manufactured by Lauson Division of Tecumseh Products Co, classified under FSC 2990 (No Item Name Available). Status: active.

What are the part numbers for NSN 2990-01-130-4751?

NSN 2990-01-130-4751 has 1 cross-referenced part number: 32401 (Lauson Division of Tecumseh Products Co).

What NSN replaces 2990-01-130-4751?

There are 6 known substitutes for 2990-01-130-4751: 4730-00-011-3702, 3110-00-144-8730, 6750-00-463-4270 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 32401?

Key specifications for 32401: Material: STEEL LOCATION NOT OTHERWISE SPECIFIED; Inlet Location: SIDE SECTION OF BODY; Inlet Flange Mounting Provision and Quantity: 2 HOLES SINGLE INLET; Operating Position: UNIVERSAL. 11 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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