PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

28504AMuffler,exhaust

Nelson Industries Inc Nelson Muffler Div · NSN 2990-01-564-2857 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-01-564-2857 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-564-2857. Primary manufacturer part number: 28504A.
Features
  • Muffler,exhaust — FSC 2990
  • 2 verified cross-references
  • Primary manufacturer: Nelson Industries Inc Nelson Muffler Div
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Muffler,exhaust, cataloged under National Stock Number 2990-01-564-2857, 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 Nelson Muffler Div. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 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)
ManufacturersThomas Equipment Ltd (CAGE 0NBY0); Nelson Industries Inc Nelson Muffler Div (CAGE 5L200)
Technical Specifications
ParameterValue
NSN2990-01-564-2857
Primary Part Number28504A
Item NameMuffler,exhaust
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerNelson Industries Inc Nelson Muffler Div
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
6210-00-299-5826 INTERCHANGEABLE
Light,traffic,aircraft
4930-00-400-52183330-189 INTERCHANGEABLE
Lubricator
Balcrank Products Inc
5930-00-946-69037695K5 INTERCHANGEABLE
Switch,toggle
Eaton Electrical Inc. Dba Cuttler Hmmer Cmrcl Cntrls Div Div Vehicle Controls Business Unit
5950-00-974-44868983020-1 INTERCHANGEABLE
Transformer,audio Frequency
L3 Technologies, Inc. Div Communication Systems-East
5330-01-367-6240 INTERCHANGEABLE
Gasket
Cross-Reference Index
Part NumberManufacturer
44709 Thomas Equipment Ltd (CAN)
28504A PRIMARY Nelson Industries Inc Nelson Muffler Div (USA)
Related Parts
6210-00-299-5826INTERCHANGEABLE
LIGHT,TRAFFIC,AIRCRAFT
4930-00-400-5218INTERCHANGEABLE
LUBRICATOR
3330-189
5930-00-946-6903INTERCHANGEABLE
SWITCH,TOGGLE
7695K5
5950-00-974-4486INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
8983020-1
5330-01-367-6240INTERCHANGEABLE
GASKET

Frequently Asked Questions

What is NSN 2990-01-564-2857?

NSN 2990-01-564-2857 is a Muffler,exhaust, manufactured by Nelson Industries Inc Nelson Muffler Div, classified under FSC 2990 (No Item Name Available). Status: active.

What are the part numbers for NSN 2990-01-564-2857?

NSN 2990-01-564-2857 has 2 cross-referenced part numbers: 44709 (Thomas Equipment Ltd), 28504A (Nelson Industries Inc Nelson Muffler Div).

What NSN replaces 2990-01-564-2857?

There are 5 known substitutes for 2990-01-564-2857: 6210-00-299-5826, 4930-00-400-5218, 5930-00-946-6903 and 2 more. Verify interchangeability with system specifications before substitution.

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