The Air Cleaner,intake, cataloged under National Stock Number 2940-00-033-2722, 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 Echelon Supply and Service, Inc.. Government technical data includes 6 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2940-00-033-2722 |
| Primary Part Number | 70-1281 |
| Item Name | Air Cleaner,intake |
| FSC / FSG | 2940 / 29 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft |
| Manufacturer | Echelon Supply and Service, Inc. |
| Status | ACTIVE |
| Integral Clamp | NOT INCLUDED |
| Element Type | SCREEN |
| Remote Location Inlet Adapter | NOT INCLUDED |
| Outlet Sleeve Type | PROTRUDING |
| Inlet Type | OPEN |
| Outlet Location | SIDE OF CLEANER |
| 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 |
|---|---|
| 70-1281 PRIMARY | Echelon Supply and Service, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 70-1281 | 5/9 Secondary reference U.S. Government activity |
NSN 2940-00-033-2722 is a Air Cleaner,intake, manufactured by Echelon Supply and Service, Inc., classified under FSC 2940, Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft. Status: active.
NSN 2940-00-033-2722 has 1 manufacturer part number on file: 70-1281 (Echelon Supply and Service, Inc.).
4 possible matches (shared part number, not a government interchangeability claim): 5355-00-669-4769, 5962-01-371-0426, 5325-01-579-8722. Verify interchangeability with system specifications before substitution.
Key specifications for 70-1281: Integral Clamp: NOT INCLUDED; Element Type: SCREEN; Remote Location Inlet Adapter: NOT INCLUDED; Outlet Sleeve Type: PROTRUDING. 6 specifications are 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.