PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

94006Muffler,exhaust

Riker Products · NSN 2990-01-249-3906 · FSC 2990 · No Item Name Available
Verified by PartsTable
NSN 2990-01-249-3906 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-249-3906. Primary manufacturer part number: 94006.
Features
  • Muffler,exhaust — FSC 2990
  • Body Shape: ROUND
  • Coolant Type: AIR
  • Design Type: DRY
  • Material: ALUMINUM ALLOY LOCATION NOT OTHERWISE SPECIFIED
  • Overall Diameter: 9.000 INCHES MINIMUM AND 14.000 INCHES MAXIMUM IN
  • 1 verified cross-reference
  • Primary manufacturer: Riker Products
Applications
  • Applications requiring Aluminum Alloy Location Not Otherwise Specified construction
General Description

The Muffler,exhaust, cataloged under National Stock Number 2990-01-249-3906, is classified within Federal Supply Class 2990 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Riker Products. Government technical data includes 5 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2990-01-249-3906
Primary Part Number94006
Item NameMuffler,exhaust
FSC / FSG2990 / 29 — No Item Name Available
ManufacturerRiker Products
StatusACTIVE
Body ShapeROUND
Coolant TypeAIR
Design TypeDRY
MaterialALUMINUM ALLOY LOCATION NOT OTHERWISE SPECIFIED
Overall Diameter9.000 INCHES MINIMUM AND 14.000 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
6240-00-266-99446A-1 INTERCHANGEABLE
Lamp,incandescent
Micro Lamps Inc.
2530-01-160-0850R21612 INTERCHANGEABLE
Bleeder Valve,hydr
Deere & Co
5910-01-505-189294006-27 INTERCHANGEABLE
Capacitor,fixed,ceramic Dielectr
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (drawings)
4140-01-557-947294006 INTERCHANGEABLE
Nose,fan
Fm Af, Llc Dba American Fan Company
Cross-Reference Index
Part NumberManufacturer
94006 Riker Products (USA)
Related Parts
6240-00-266-9944INTERCHANGEABLE
LAMP,INCANDESCENT
6A-1
2530-01-160-0850INTERCHANGEABLE
BLEEDER VALVE,HYDR
R21612
5910-01-505-1892INTERCHANGEABLE
CAPACITOR,FIXED,CERAMIC DIELECTR
94006-27
4140-01-557-9472INTERCHANGEABLE
NOSE,FAN
94006

Frequently Asked Questions

What is NSN 2990-01-249-3906?

NSN 2990-01-249-3906 is a Muffler,exhaust, manufactured by Riker Products, classified under FSC 2990 (No Item Name Available). Status: active.

What are the part numbers for NSN 2990-01-249-3906?

NSN 2990-01-249-3906 has 1 cross-referenced part number: 94006 (Riker Products).

What NSN replaces 2990-01-249-3906?

There are 4 known substitutes for 2990-01-249-3906: 6240-00-266-9944, 2530-01-160-0850, 5910-01-505-1892 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 94006?

Key specifications for 94006: Body Shape: ROUND; Coolant Type: AIR; Design Type: DRY; Material: ALUMINUM ALLOY LOCATION NOT OTHERWISE SPECIFIED. 6 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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