PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

89428Muffler,exhaust

Mcculloch Corp · NSN 2990-01-037-1190 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-01-037-1190 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-037-1190. Primary manufacturer part number: 89428.
Features
  • Muffler,exhaust — FSC 2990
  • Surface Treatment: OXIDE
  • Coolant Type: AIR
  • Inlet Flange Shape: OVAL SINGLE INLET
  • Operating Position: VERTICAL
  • Inlet Flange Mounting Hole Diameter: 0.190 INCHES NOMINAL SINGLE INLET IN
  • Nonconnection Outlet Size: 1.200 IN. BY 0.500 IN. IN
  • Body Shape: RECTANGULAR
Applications
  • Applications requiring Steel Location Not Otherwise Specified construction
General Description

The Muffler,exhaust, cataloged under National Stock Number 2990-01-037-1190, 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 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references 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
NSN2990-01-037-1190
Primary Part Number89428
Item NameMuffler,exhaust
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerMcculloch Corp
StatusACTIVE
Surface TreatmentOXIDE
Coolant TypeAIR
Inlet Flange ShapeOVAL SINGLE INLET
Operating PositionVERTICAL
Inlet Flange Mounting Hole Diameter0.190 INCHES NOMINAL SINGLE INLET IN
Nonconnection Outlet Size1.200 IN. BY 0.500 IN. IN
Body ShapeRECTANGULAR
MaterialSTEEL LOCATION NOT OTHERWISE SPECIFIED
Center to Center Distance Between Mounting Holes1.808 IN. C TO C DIM. OF MTG HOLES SINGLE INLET IN
Inlet Connection TypeFLANGE SINGLE INLET
Nonconnection Outlet LocationON SIDE OF BODY
Nonconnection Outlet Type and Quantity1 SLOTTED
Inlet LocationON SIDE OF BODY
Unable to DecodeUNABLE TO DECODE
Design TypeDRY
Inlet Flange Mounting Provision and Quantity2 HOLES SINGLE INLET
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5315-00-041-0915 INTERCHANGEABLE
Pin,straight,headless
4310-01-037-05788834085-10 INTERCHANGEABLE
Parts Kit,compressor
Warner Robins Air Logistics Center
Cross-Reference Index
Part NumberManufacturer
68512 Mcculloch Corp (USA)
89428 PRIMARY Mcculloch Corp (USA)
Related Parts
5315-00-041-0915INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
4310-01-037-0578INTERCHANGEABLE
PARTS KIT,COMPRESSOR
8834085-10

Frequently Asked Questions

What is NSN 2990-01-037-1190?

NSN 2990-01-037-1190 is a Muffler,exhaust, manufactured by Mcculloch Corp, classified under FSC 2990 (No Item Name Available). Status: active.

What are the part numbers for NSN 2990-01-037-1190?

NSN 2990-01-037-1190 has 2 cross-referenced part numbers: 68512 (Mcculloch Corp), 89428 (Mcculloch Corp).

What NSN replaces 2990-01-037-1190?

There are 2 known substitutes for 2990-01-037-1190: 5315-00-041-0915, 4310-01-037-0578. Verify interchangeability with system specifications before substitution.

What are the specifications of 89428?

Key specifications for 89428: Special Features: TWO MTG HOLES THRU INLET,ONE MTG HOLE THRU BODY; Surface Treatment: OXIDE; Coolant Type: AIR; Inlet Flange Shape: OVAL SINGLE INLET. 20 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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