PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

91127Muffler,exhaust

Stewart & Stevenson Power Products Llc · NSN 2990-01-323-0950 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-01-323-0950 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-323-0950. Primary manufacturer part number: 91127.
Features
  • Muffler,exhaust — FSC 2990
  • 1 verified cross-reference
  • Primary manufacturer: Stewart & Stevenson Power Products Llc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Muffler,exhaust, cataloged under National Stock Number 2990-01-323-0950, 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. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2990-01-323-0950
Primary Part Number91127
Item NameMuffler,exhaust
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerStewart & Stevenson Power Products Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5930-00-491-4777 INTERCHANGEABLE
Switch Subassembly
5950-00-522-195610788-1 INTERCHANGEABLE
Transformer,power
Drs Technologies Canada Ltd
4920-01-296-153691127 INTERCHANGEABLE
Test Program Set
Textron Systems Corporation Dba Textron Systems Corp
2815-01-700-352691127 INTERCHANGEABLE
Power Unit,diesel
Allied Systems Company Dba Allied Systems Co
Cross-Reference Index
Part NumberManufacturer
91127 PRIMARY Stewart & Stevenson Power Products Llc (USA)
Related Parts
5930-00-491-4777INTERCHANGEABLE
SWITCH SUBASSEMBLY
5950-00-522-1956INTERCHANGEABLE
TRANSFORMER,POWER
10788-1
4920-01-296-1536INTERCHANGEABLE
TEST PROGRAM SET
91127
2815-01-700-3526INTERCHANGEABLE
POWER UNIT,DIESEL
91127

Frequently Asked Questions

What is NSN 2990-01-323-0950?

NSN 2990-01-323-0950 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 2990-01-323-0950?

NSN 2990-01-323-0950 has 1 cross-referenced part number: 91127 (Stewart & Stevenson Power Products Llc).

What NSN replaces 2990-01-323-0950?

There are 4 known substitutes for 2990-01-323-0950: 5930-00-491-4777, 5950-00-522-1956, 4920-01-296-1536 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 91127?

Key specifications for 91127: Special Features: UTILIZED ON GENERATOR SET,DIESELENGINE DRIVEN E/I NSN6115013048183. 1 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com