PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

68241Bottom Assembly,muffler

Mcculloch Corp · NSN 2990-01-061-4409 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-01-061-4409 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-061-4409. Primary manufacturer part number: 68241.
Features
  • Bottom Assembly,muffler — FSC 2990
  • General Characteristics Item Description: STEEL MATERIAL,BLACK PAINTED FINISH,RECTANGULAR INLET FLANGE W/TWO 0.221 IN. DIA MTG HOLES SPACED 2.375 IN. C TO C,BODY 3.050 IN. OD BY 1.690 IN. LONG IN
  • 1 verified cross-reference
  • Primary manufacturer: Mcculloch Corp
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Bottom Assembly,muffler, cataloged under National Stock Number 2990-01-061-4409, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Mcculloch Corp. Government technical data includes 1 verified specification, 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2990-01-061-4409
Primary Part Number68241
Item NameBottom Assembly,muffler
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerMcculloch Corp
StatusACTIVE
General Characteristics Item DescriptionSTEEL MATERIAL,BLACK PAINTED FINISH,RECTANGULAR INLET FLANGE W/TWO 0.221 IN. DIA MTG HOLES SPACED 2.375 IN. C TO C,BODY 3.050 IN. OD BY 1.690 IN. LONG IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5342-00-463-521868241 INTERCHANGEABLE
Plug,anode Retaining
Cummins Inc.
4140-00-960-28779986866 INTERCHANGEABLE
Impeller,fan,centrifugal
Us Army Aviation and Missile Command
Cross-Reference Index
Part NumberManufacturer
68241 PRIMARY Mcculloch Corp (USA)
Related Parts
5342-00-463-5218INTERCHANGEABLE
PLUG,ANODE RETAINING
68241
4140-00-960-2877INTERCHANGEABLE
IMPELLER,FAN,CENTRIFUGAL
9986866

Frequently Asked Questions

What is NSN 2990-01-061-4409?

NSN 2990-01-061-4409 is a Bottom Assembly,muffler, manufactured by Mcculloch Corp, classified under FSC 2990 (No Item Name Available). Status: active.

What are the part numbers for NSN 2990-01-061-4409?

NSN 2990-01-061-4409 has 1 cross-referenced part number: 68241 (Mcculloch Corp).

What NSN replaces 2990-01-061-4409?

There are 2 known substitutes for 2990-01-061-4409: 5342-00-463-5218, 4140-00-960-2877. Verify interchangeability with system specifications before substitution.

What are the specifications of 68241?

Key specifications for 68241: General Characteristics Item Description: STEEL MATERIAL,BLACK PAINTED FINISH,RECTANGULAR INLET FLANGE W/TWO 0.221 IN. DIA MTG HOLES SPACED 2.375 IN. C TO C,BODY 3.050 IN. OD BY 1.690 IN. LONG IN. 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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