PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

28138Muffler,exhaust

Stewart & Stevenson Power Products Llc · NSN 2990-00-829-4982 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-00-829-4982 — this item is cataloged by the U.S. Government under National Stock Number 2990-00-829-4982. Primary manufacturer part number: 28138.
Features
  • Muffler,exhaust — FSC 2990
  • Material: STEEL LOCATION NOT OTHERWISE SPECIFIED
  • Overall Diameter: 8.000 INCHES NOMINAL IN
  • Body Shape: ROUND
  • 1 verified cross-reference
  • Primary manufacturer: Stewart & Stevenson Power Products Llc
Applications
  • Applications requiring Steel Location Not Otherwise Specified construction
General Description

The Muffler,exhaust, cataloged under National Stock Number 2990-00-829-4982, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Stewart & Stevenson Power Products Llc. Government technical data includes 3 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
NSN2990-00-829-4982
Primary Part Number28138
Item NameMuffler,exhaust
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerStewart & Stevenson Power Products Llc
StatusACTIVE
MaterialSTEEL LOCATION NOT OTHERWISE SPECIFIED
Overall Diameter8.000 INCHES NOMINAL IN
Body ShapeROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5905-00-549-1656 INTERCHANGEABLE
Resistor,variable,wire Wound,non
5905-00-578-4122 INTERCHANGEABLE
Resistor,variable,wire Wound,non
5330-00-894-8259N28138 INTERCHANGEABLE
Gasket
Leslie Controls, Inc. Dba Leslie Controls Inc
5330-00-912-7196 INTERCHANGEABLE
Gasket
5330-01-270-8336 INTERCHANGEABLE
Gasket
5120-01-505-434428138 INTERCHANGEABLE
Crowfoot Attachment,socket Wrenc
Wta Tool Llc
Cross-Reference Index
Part NumberManufacturer
28138 PRIMARY Stewart & Stevenson Power Products Llc (USA)
Related Parts
5905-00-549-1656INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
5905-00-578-4122INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
5330-00-894-8259INTERCHANGEABLE
GASKET
N28138
5330-00-912-7196INTERCHANGEABLE
GASKET
5330-01-270-8336INTERCHANGEABLE
GASKET
5120-01-505-4344INTERCHANGEABLE
CROWFOOT ATTACHMENT,SOCKET WRENC
28138

Frequently Asked Questions

What is NSN 2990-00-829-4982?

NSN 2990-00-829-4982 is a Muffler,exhaust, manufactured by Stewart & Stevenson Power Products Llc, classified under FSC 2990 (No Item Name Available). Status: active.

What are the part numbers for NSN 2990-00-829-4982?

NSN 2990-00-829-4982 has 1 cross-referenced part number: 28138 (Stewart & Stevenson Power Products Llc).

What NSN replaces 2990-00-829-4982?

There are 6 known substitutes for 2990-00-829-4982: 5905-00-549-1656, 5905-00-578-4122, 5330-00-894-8259 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 28138?

Key specifications for 28138: Material: STEEL LOCATION NOT OTHERWISE SPECIFIED; Overall Diameter: 8.000 INCHES NOMINAL IN; Overall Length: 23.500 INCHES NOMINAL IN; Body Shape: ROUND. 4 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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