PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

18814Muffler,exhaust

Generac Mobile Products, Llc · NSN 2990-01-546-9846 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-01-546-9846 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-546-9846. Primary manufacturer part number: 18814.
Features
  • Muffler,exhaust — FSC 2990
  • 1 verified cross-reference
  • Primary manufacturer: Generac Mobile 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 2990-01-546-9846, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Generac Mobile Products, Llc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2990-01-546-9846
Primary Part Number18814
Item NameMuffler,exhaust
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerGenerac Mobile Products, Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5330-00-178-5134300128 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
6650-00-847-3492 INTERCHANGEABLE
Eyeshield,optical Instrument
5915-00-965-983618814 INTERCHANGEABLE
Filter,band Pass
Freed Transformer Co
5340-01-461-846618-814 INTERCHANGEABLE
Plug,protective,dust and Moistur
Parker-Hannifin Corporation Dba Pneutronics Div Pneumatic Division
1005-01-690-450418814 INTERCHANGEABLE
Barrel,rifle
Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc
Cross-Reference Index
Part NumberManufacturer
18814 PRIMARY Generac Mobile Products, Llc (USA)
Related Parts
5330-00-178-5134INTERCHANGEABLE
SEAL,PLAIN ENCASED
300128
6650-00-847-3492INTERCHANGEABLE
EYESHIELD,OPTICAL INSTRUMENT
5915-00-965-9836INTERCHANGEABLE
FILTER,BAND PASS
18814
5340-01-461-8466INTERCHANGEABLE
PLUG,PROTECTIVE,DUST AND MOISTUR
18-814
1005-01-690-4504INTERCHANGEABLE
BARREL,RIFLE
18814

Frequently Asked Questions

What is NSN 2990-01-546-9846?

NSN 2990-01-546-9846 is a Muffler,exhaust, manufactured by Generac Mobile Products, Llc, classified under FSC 2990 (No Item Name Available). Status: active.

What are the part numbers for NSN 2990-01-546-9846?

NSN 2990-01-546-9846 has 1 cross-referenced part number: 18814 (Generac Mobile Products, Llc).

What NSN replaces 2990-01-546-9846?

There are 5 known substitutes for 2990-01-546-9846: 5330-00-178-5134, 6650-00-847-3492, 5915-00-965-9836 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 18814?

Key specifications for 18814: End Item Identification: 6115-01-531-0571, GENERATOR SET 20KW 50/60HZ; Part Name Assigned by Controlling Agency: MUFFLER, RESIDENTIAL GRADE.. 2 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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