NSN 2940-01-586-8421 · NIIN 015868421 · Part number RK21531
Parker-Hannifin Corporation Dba Racor Division Div Racor Division · FSC 2940 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft · FSG 29 — Engine Accessories · CAGE 55752
Government record, cited
NSN 2940-01-586-8421 — this item is cataloged by the U.S. Government under National Stock Number 2940-01-586-8421. Manufacturer of record part number: RK21531.
Also searched as2940-01-586-8421 ·
2940015868421 ·
NIIN 015868421 ·
01-586-8421 ·
FSC 2940 Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft · CAGE 55752 · RK21531 · 6HB953 · 6HB953
Manufacturer of record: Parker-Hannifin Corporation Dba Racor Division Div Racor Division
Identification
NSN: 2940-01-586-8421
NIIN: 015868421
FSC: 2940 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft
FSG: 29 — Engine Accessories
Primary part number: RK21531
Manufacturer: Parker-Hannifin Corporation Dba Racor Division Div Racor Division
General Description
The Head,fluid Filter, cataloged under National Stock Number 2940-01-586-8421, 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 Parker-Hannifin Corporation Dba Racor Division Div Racor Division. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
Catalog Facts
Item Name
Head,fluid Filter
FSC / FSG
2940 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft (FSG 29)
Manufacturers
Parker-Hannifin Corporation Dba Racor Division Div Racor Division (CAGE 55752)
Technical Specifications
Parameter
Value
NSN
2940-01-586-8421
Primary Part Number
RK21531
Item Name
Head,fluid Filter
FSC / FSG
2940 / 29 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft
Manufacturer
Parker-Hannifin Corporation Dba Racor Division Div Racor Division
Parker-Hannifin Corporation Dba Racor Division Div Racor Division (USA)
Reference documents
Reference
Meaning
6HB953
7/2Vendor item drawing reference
Oshkosh Defense Llc
6HB953
5/9Secondary reference
Oshkosh Corp
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.
2940-00-001-1259
2940-00-001-1259 · Item name not on file
2940-00-001-3513
FILTER ELEMENT,INTAKE AIR CLEANE
2940-00-001-3513
FILTER ELEMENT,INTAKE AIR CLEANE
2940-00-001-3513
FILTER ELEMENT,INTAKE AIR CLEANE
2940-00-001-3513
FILTER ELEMENT,INTAKE AIR CLEANE
2940-00-001-3513
FILTER ELEMENT,INTAKE AIR CLEANE
2940-00-001-3988
2940-00-001-3988 · Item name not on file
2940-00-001-3991
2940-00-001-3991 · Item name not on file
Frequently Asked Questions
What is NSN 2940-01-586-8421?
NSN 2940-01-586-8421 is a Head,fluid Filter, manufactured by Parker-Hannifin Corporation Dba Racor Division Div Racor Division, classified under FSC 2940, Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft. Status: active.
What part numbers are listed for NSN 2940-01-586-8421?
NSN 2940-01-586-8421 has 1 manufacturer part number on file: RK21531 (Parker-Hannifin Corporation Dba Racor Division Div Racor Division).
Is NSN 2940-01-586-8421 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.