The Air Cleaner,intake, cataloged under National Stock Number 2940-01-177-1033, 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 Farr Co. Government technical data includes 18 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 2940-01-177-1033 |
| Primary Part Number | C-62891-1 |
| Item Name | Air Cleaner,intake |
| FSC / FSG | 2940 / 29 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft |
| Manufacturer | Farr Co |
| Status | ACTIVE |
| Integral Clamp | NOT INCLUDED |
| Filter Type | DRY |
| Backfire Valve | NOT INCLUDED |
| Remote Location Inlet Adapter | NOT INCLUDED |
| Outlet Sleeve Type | PROTRUDING |
| Outside Diameter | 9.750 INCHES NOMINAL IN |
| Sleeve Outside Diameter | 1.910 INCHES NOMINAL IN |
| Outlet Type | SLEEVE |
| Sleeve Connection Quantity | 1 |
| Pressure Relief Valve | NOT INCLUDED |
| Inlet Type | SLEEVE |
| Material | STEEL CORROSION RESISTING |
| Air Cleaner Type | THROW-AWAY |
| Sleeve Location | END OF CLEANER |
| Submersibility | NONSUBMERSIBLE |
| Outlet Location | ON TOP OF CLEANER |
| Mounting Outside Diameter | 6.000 INCHES NOMINAL IN |
| Sleeve Length | 6.000 INCHES NOMINAL 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 |
|---|---|
| C-62891-1 PRIMARY | Farr Co (USA) |
| CA7229 | Honeywell International Inc Dba Honeywell Div Consumer Products Group (USA) |
| Reference | Meaning |
|---|---|
| C-62891 | D/9 Drawing number reference only Farr Co |
| 763-00-1005 | 5/9 Secondary reference Drs Sustainment Systems, Inc. |
| SW24181 | 5/2 Secondary reference U.S. Government activity |
NSN 2940-01-177-1033 is a Air Cleaner,intake, manufactured by Farr Co, classified under FSC 2940, Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft. Status: active.
NSN 2940-01-177-1033 has 2 manufacturer part numbers on file: C-62891-1 (Farr Co), CA7229 (Honeywell International Inc Dba Honeywell Div Consumer Products Group).
1 possible match (shared part number, not a government interchangeability claim): 2940-01-177-3585. Verify interchangeability with system specifications before substitution.
Key specifications for C-62891-1: Overall Height: 26.030 INCHES NOMINAL IN; Integral Clamp: NOT INCLUDED; Filter Type: DRY; Backfire Valve: NOT INCLUDED. 18 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.