PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

26584NMuffler,exhaust

Nelson Industries Inc Universal Silencer Div · NSN 2990-01-577-5499 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-01-577-5499 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-577-5499. Primary manufacturer part number: 26584N.
Features
  • Muffler,exhaust — FSC 2990
  • 3 verified cross-references
  • Primary manufacturer: Nelson Industries Inc Universal Silencer Div
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Muffler,exhaust, cataloged under National Stock Number 2990-01-577-5499, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Nelson Industries Inc Universal Silencer Div. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameMuffler,exhaust
FSC / FSG2990 — No Item Name Available (FSG 29)
ManufacturersNelson Industries Inc Universal Silencer Div (CAGE 22313); Generac Mobile Products, Llc (CAGE 0SUA9)
Technical Specifications
ParameterValue
NSN2990-01-577-5499
Primary Part Number26584N
Item NameMuffler,exhaust
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerNelson Industries Inc Universal Silencer Div
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2915-00-070-997915544-4 INTERCHANGEABLE
Parts Kit,fuel Control,cure Date
Hamilton Sundstrand Corporation Dba Collins Aerospace
3110-00-155-67341210 INTERCHANGEABLE
Bearing,ball,annular
Federal-Mogul Corp Government Sales Dept
5133-00-189-9266 INTERCHANGEABLE
Drill,twist
5999-00-231-388201-0201-1766 INTERCHANGEABLE
Wire Mesh,knitted
Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division
5133-00-262-2169 INTERCHANGEABLE
Drill,twist
6220-00-300-702815021 INTERCHANGEABLE
Spotlight
Unity Manufacturing Co
5815-00-602-7063 INTERCHANGEABLE
Vibrator Arm
5310-00-660-26538491702 INTERCHANGEABLE
Washer,shouldered and Recessed
Us Army Aviation and Missile Command
6685-00-809-4988 INTERCHANGEABLE
Thermometer,self-Indicating
5940-00-813-056310-209-1 INTERCHANGEABLE
Terminal,stud
Concord Electronics, Inc.
Cross-Reference Index
Part NumberManufacturer
26584N PRIMARY Nelson Industries Inc Universal Silencer Div (USA)
15021 Generac Mobile Products, Llc (USA)
13709 PRIMARY Generac Mobile Products, Llc (USA)
Related Parts
2915-00-070-9979INTERCHANGEABLE
PARTS KIT,FUEL CONTROL,CURE DATE
15544-4
3110-00-155-6734INTERCHANGEABLE
BEARING,BALL,ANNULAR
1210
5133-00-189-9266INTERCHANGEABLE
DRILL,TWIST
5999-00-231-3882INTERCHANGEABLE
WIRE MESH,KNITTED
01-0201-1766
5133-00-262-2169INTERCHANGEABLE
DRILL,TWIST
6220-00-300-7028INTERCHANGEABLE
SPOTLIGHT
15021
5815-00-602-7063INTERCHANGEABLE
VIBRATOR ARM
5310-00-660-2653INTERCHANGEABLE
WASHER,SHOULDERED AND RECESSED
8491702
6685-00-809-4988INTERCHANGEABLE
THERMOMETER,SELF-INDICATING
5940-00-813-0563INTERCHANGEABLE
TERMINAL,STUD
10-209-1
2530-00-837-8484INTERCHANGEABLE
BRAKE DRUM
4920-00-878-2957INTERCHANGEABLE
PUMP,OIL VACUUM

Frequently Asked Questions

What is NSN 2990-01-577-5499?

NSN 2990-01-577-5499 is a Muffler,exhaust, manufactured by Nelson Industries Inc Universal Silencer Div, classified under FSC 2990 (No Item Name Available). Status: active.

What are the part numbers for NSN 2990-01-577-5499?

NSN 2990-01-577-5499 has 3 cross-referenced part numbers: 26584N (Nelson Industries Inc Universal Silencer Div), 15021 (Generac Mobile Products, Llc), 13709 (Generac Mobile Products, Llc).

What NSN replaces 2990-01-577-5499?

There are 12 known substitutes for 2990-01-577-5499: 2915-00-070-9979, 3110-00-155-6734, 5133-00-189-9266 and 9 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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