PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

41534Muffler,exhaust

Desa Industries Inc Div of Amca International Corp · NSN 2990-00-142-0234 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-00-142-0234 — this item is cataloged by the U.S. Government under National Stock Number 2990-00-142-0234. Primary manufacturer part number: 41534.
Features
  • Muffler,exhaust — FSC 2990
  • Muffler Design: BAFFLE
  • Coolant Type: AIR
  • Surface Treatment: ALUMINUM
  • Unable to Decode: UNABLE TO DECODEUNABLE TO DECODE
  • Nonconnection Outlet Location: LOCATED SYMETRICALLY OFFSET ON ALTERNATE CENTER LINES VERTICALLY AND HORIZONTALLY
  • Inlet Location: LOCATED ON SIDE OPPOSITE OUTLET AND OFFSET 0.594 IN. TO RIGHT OF VERTICAL CENTER LINE LOOKING FROM OUTLET END IN
  • Inlet Projection Length: 1.180 INCHES NOMINAL SECOND INLET IN
Applications
  • Applications requiring Steel Location Not Otherwise Specified construction
General Description

The Muffler,exhaust, cataloged under National Stock Number 2990-00-142-0234, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Desa Industries Inc Div of Amca International Corp. Government technical data includes 18 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2990-00-142-0234
Primary Part Number41534
Item NameMuffler,exhaust
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerDesa Industries Inc Div of Amca International Corp
StatusACTIVE
Muffler DesignBAFFLE
Coolant TypeAIR
Surface TreatmentALUMINUM
Unable to DecodeUNABLE TO DECODEUNABLE TO DECODE
Nonconnection Outlet LocationLOCATED SYMETRICALLY OFFSET ON ALTERNATE CENTER LINES VERTICALLY AND HORIZONTALLY
Inlet LocationLOCATED ON SIDE OPPOSITE OUTLET AND OFFSET 0.594 IN. TO RIGHT OF VERTICAL CENTER LINE LOOKING FROM OUTLET END IN
Inlet Projection Length1.180 INCHES NOMINAL SECOND INLET IN
Inlet Flange Mounting Hole Diameter0.179 INCHES NOMINAL SINGLE INLET IN
Nonconnection Outlet SizeHOLES 0.139 IN. MIN,0.144 IN. MAX IN
MaterialSTEEL LOCATION NOT OTHERWISE SPECIFIED
Unable to DecodeUNABLE TO DECODE
Baffle Quantity1
Operating PositionUNIVERSAL
Design TypeDRY
Inlet Projection Length2.000 INCHES NOMINAL FIRST INLET IN
Overall Diameter3.500 INCHES NOMINAL IN
Center to Center Distance Between Mounting Holes3.469 IN. C TO C DIM. OF HOLES SINGLE INLET IN
Nonconnection Outlet Type and Quantity101 ROUND HOLE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5310-00-178-961210A1914842 INTERCHANGEABLE
Washer,flat
Fwd Seagrave Holdings Lp
6680-00-445-549942906 INTERCHANGEABLE
Counter,rotating
Aerosonic Llc
6150-01-016-9046 INTERCHANGEABLE
Cable Assembly,special Purpose,e
5962-01-204-163941534 INTERCHANGEABLE
Microcircuit,memory
Raytheon Company Div Rmd Strategic
5950-01-223-1125866292-1 INTERCHANGEABLE
Transformer,power
Raytheon Company Dba Raytheon
5930-01-329-7595 INTERCHANGEABLE
Switch,pressure
3120-01-478-860541534 INTERCHANGEABLE
Bearing,sleeve
Moog Inc. Dba Ampac-Isp Corp
5940-01-560-131041534 INTERCHANGEABLE
Terminal,lug
Electro Impulse Laboratory Inc Dba Electro Impulse Inc
Cross-Reference Index
Part NumberManufacturer
41534 Desa Industries Inc Div of Amca International Corp (USA)
Related Parts
5310-00-178-9612INTERCHANGEABLE
WASHER,FLAT
10A1914842
6680-00-445-5499INTERCHANGEABLE
COUNTER,ROTATING
42906
6150-01-016-9046INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
5962-01-204-1639INTERCHANGEABLE
MICROCIRCUIT,MEMORY
41534
5950-01-223-1125INTERCHANGEABLE
TRANSFORMER,POWER
866292-1
5930-01-329-7595INTERCHANGEABLE
SWITCH,PRESSURE
3120-01-478-8605INTERCHANGEABLE
BEARING,SLEEVE
41534
5940-01-560-1310INTERCHANGEABLE
TERMINAL,LUG
41534

Frequently Asked Questions

What is NSN 2990-00-142-0234?

NSN 2990-00-142-0234 is a Muffler,exhaust, manufactured by Desa Industries Inc Div of Amca International Corp, classified under FSC 2990 (No Item Name Available). Status: active.

What are the part numbers for NSN 2990-00-142-0234?

NSN 2990-00-142-0234 has 1 cross-referenced part number: 41534 (Desa Industries Inc Div of Amca International Corp).

What NSN replaces 2990-00-142-0234?

There are 8 known substitutes for 2990-00-142-0234: 5310-00-178-9612, 6680-00-445-5499, 6150-01-016-9046 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 41534?

Key specifications for 41534: Muffler Design: BAFFLE; Coolant Type: AIR; Surface Treatment: ALUMINUM; Unable to Decode: UNABLE TO DECODEUNABLE TO DECODE. 19 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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