NSN 2940-01-522-6261 · NIIN 015226261 · Part number 166-1328
Caterpillar Inc Div Caterpillar Defense · FSC 2940 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft · FSG 29 — Engine Accessories · CAGE 11083
Government record, cited
NSN 2940-01-522-6261 — this item is cataloged by the U.S. Government under National Stock Number 2940-01-522-6261. Manufacturer of record part number: 166-1328.
Also searched as2940-01-522-6261 ·
2940015226261 ·
NIIN 015226261 ·
01-522-6261 ·
FSC 2940 Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft · CAGE 11083 · 166-1328 · 6HA134 · 6HA134
Manufacturer of record: Caterpillar Inc Div Caterpillar Defense
Identification
NSN: 2940-01-522-6261
NIIN: 015226261
FSC: 2940 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft
FSG: 29 — Engine Accessories
Primary part number: 166-1328
Manufacturer: Caterpillar Inc Div Caterpillar Defense
General Description
The Filter Assembly,fluid, cataloged under National Stock Number 2940-01-522-6261, 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 Caterpillar Inc Div Caterpillar Defense. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
2940-01-522-6261
Primary Part Number
166-1328
Item Name
Filter Assembly,fluid
FSC / FSG
2940 / 29 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft
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 2940-01-522-6261?
NSN 2940-01-522-6261 is a Filter Assembly,fluid, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 2940, Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft. Status: active.
What part numbers are listed for NSN 2940-01-522-6261?
NSN 2940-01-522-6261 has 2 manufacturer part numbers on file: 6HA134 (Oshkosh Defense Llc), 166-1328 (Caterpillar Inc Div Caterpillar Defense).
What are the specifications of 166-1328?
Key specifications for 166-1328: Part Name Assigned by Controlling Agency: BASE ASSEMBLY, OIL FILTER; End Item Identification: WHEELED TANKER. 0 specifications are documented in the U.S. Government catalog.
Is NSN 2940-01-522-6261 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.