The Base,air Cleaner,oil, cataloged under National Stock Number 2940-00-770-6646, 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 U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2940-00-770-6646 |
| Primary Part Number | 7706646 |
| Item Name | Base,air Cleaner,oil |
| FSC / FSG | 2940 / 29 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| General Characteristics Item Description | 14.125 IN. OD INCLUDING SIDE CLIPS,11.176 IN. ID,4.000 IN. H,INNER CUP 2.500 IN. H,8.000 IN. OD,INNER CUP ANGLED ONE SIDE,1 HOLE 0.188 IN. DIA,FOR USE WITH 11.000 IN. TYPE A AIR CLEANER IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 7706646 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| P6057 | 5/9 Secondary reference Donaldson Company, Inc. |
NSN 2940-00-770-6646 is a Base,air Cleaner,oil, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 2940, Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft. Status: active.
NSN 2940-00-770-6646 has 1 manufacturer part number on file: 7706646 (U S Army Tank Automotive Command Amsta-Im-Mm).
1 possible match (shared part number, not a government interchangeability claim): 6625-01-054-8302. Verify interchangeability with system specifications before substitution.
Key specifications for 7706646: General Characteristics Item Description: 14.125 IN. OD INCLUDING SIDE CLIPS,11.176 IN. ID,4.000 IN. H,INNER CUP 2.500 IN. H,8.000 IN. OD,INNER CUP ANGLED ONE SIDE,1 HOLE 0.188 IN. DIA,FOR USE WITH 11.000 IN. TYPE A AIR CLEANER IN. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
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.