The Filter Element,intake Air Cleane, cataloged under National Stock Number 2940-01-146-3576, 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 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 9 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2940-01-146-3576 |
| Primary Part Number | 633812 |
| Item Name | Filter Element,intake Air Cleane |
| FSC / FSG | 2940 / 29 — Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Filtering Media Design | PLEATED SINGLE FILTERING MEDIA RESPONSE |
| Body Diameter | 0.812 INCHES NOMINAL IN |
| FSC Application Data | FILTER,AIR,ASSEMBLY |
| Body Overall Length | 1.875 INCHES NOMINAL IN |
| Design Type | NONREUSABLE |
| Style Designator | CYLINDRICAL W/ CONTAINER (RIGID) |
| Body Inside Diameter | 0.500 INCHES NOMINAL IN |
| Material | ALUMINUM FRAME |
| Material | PAPER BODY |
| 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 |
|---|---|
| 633812 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
NSN 2940-01-146-3576 is a Filter Element,intake Air Cleane, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 2940, Engine Air and Oil Filters, Strainers, and Cleaners, Nonaircraft. Status: active.
NSN 2940-01-146-3576 has 1 manufacturer part number on file: 633812 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 633812: Filtering Media Design: PLEATED SINGLE FILTERING MEDIA RESPONSE; Body Diameter: 0.812 INCHES NOMINAL IN; FSC Application Data: FILTER,AIR,ASSEMBLY; Body Overall Length: 1.875 INCHES NOMINAL IN. 9 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.