NSN 2940-01-668-7903 · NIIN 016687903 · Part number 1004221
Walker Design, Inc. Dba Walker Design Inc Div Walker Engineering Enterprises, Inc · FSC 2940 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft · FSG 29 — Engine Accessories · CAGE 69502
Government record, cited
NSN 2940-01-668-7903 — this item is cataloged by the U.S. Government under National Stock Number 2940-01-668-7903. Manufacturer of record part number: 1004221.
Also searched as2940-01-668-7903 ·
2940016687903 ·
NIIN 016687903 ·
01-668-7903 ·
FSC 2940 Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft · CAGE 69502 · 1004221 · 7017422
Manufacturer of record: Walker Design, Inc. Dba Walker Design Inc Div Walker Engineering Enterprises, Inc
Identification
NSN: 2940-01-668-7903
NIIN: 016687903
FSC: 2940 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft
FSG: 29 — Engine Accessories
Primary part number: 1004221
Manufacturer: Walker Design, Inc. Dba Walker Design Inc Div Walker Engineering Enterprises, Inc
General Description
The Air Cleaner,intake, cataloged under National Stock Number 2940-01-668-7903, is classified within Federal Supply Class 2940 (Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Walker Design, Inc. Dba Walker Design Inc Div Walker Engineering Enterprises, Inc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Catalog Facts
Item Name
Air Cleaner,intake
FSC / FSG
2940 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft (FSG 29)
Manufacturers
Walker Design, Inc. Dba Walker Design Inc Div Walker Engineering Enterprises, Inc (CAGE 69502); Marine Corps Systems Command Program Manager Assault Amphibious Vehicle (CAGE 0MLM6)
Technical Specifications
Parameter
Value
NSN
2940-01-668-7903
Primary Part Number
1004221
Item Name
Air Cleaner,intake
FSC / FSG
2940 / 29 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft
Manufacturer
Walker Design, Inc. Dba Walker Design Inc Div Walker Engineering Enterprises, Inc
Marine Corps Systems Command Program Manager Assault Amphibious Vehicle
No interchangeability data on file.
Other items in FSC 2940 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2940-00-238-5551
FILTER ELEMENT,INTAKE AIR CLEANE
2940-00-238-5551
FILTER ELEMENT,INTAKE AIR CLEANE
2940-00-238-5551
FILTER ELEMENT,INTAKE AIR CLEANE
2940-00-354-6471
STRAINER OIL
2940-00-356-0884
FILTER ELEMENT,FLUID
2940-00-445-0685
FILTER ELEMENT,INTAKE AIR CLEANE
2940-00-445-0685
FILTER ELEMENT,INTAKE AIR CLEANE
2940-00-445-0685
FILTER ELEMENT,INTAKE AIR CLEANE
Frequently Asked Questions
What is NSN 2940-01-668-7903?
NSN 2940-01-668-7903 is a Air Cleaner,intake, manufactured by Walker Design, Inc. Dba Walker Design Inc Div Walker Engineering Enterprises, Inc, classified under FSC 2940, Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft. Status: active.
What part numbers are listed for NSN 2940-01-668-7903?
NSN 2940-01-668-7903 has 2 manufacturer part numbers on file: 1004221 (Walker Design, Inc. Dba Walker Design Inc Div Walker Engineering Enterprises, Inc), 7017422 (Marine Corps Systems Command Program Manager Assault Amphibious Vehicle).
Is NSN 2940-01-668-7903 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.