The Filter Element,fluid, cataloged under National Stock Number 2945-01-733-4935, is classified within Federal Supply Class 2945 (Engine Air and Oil Filters, Cleaners, Aircraft Prime Moving) of the Engine Accessories group. The manufacturer of record is Essex Electro Engineers Inc. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | Filter Element,fluid |
| FSC / FSG | 2945 — Engine Air and Oil Filters, Cleaners, Aircraft Prime Moving (FSG 29) |
| Manufacturers | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (CAGE 30003); Essex Electro Engineers Inc (CAGE 21269); Brighton Cromwell Llc (CAGE 3NNX8) |
| Parameter | Value |
|---|---|
| NSN | 2945-01-733-4935 |
| Primary Part Number | C739-1040 |
| Item Name | Filter Element,fluid |
| FSC / FSG | 2945 / 29 — Engine Air and Oil Filters, Cleaners, Aircraft Prime Moving |
| Manufacturer | Essex Electro Engineers Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| 4282AS2252-1 | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| C739-1040 PRIMARY | Essex Electro Engineers Inc (USA) |
| C739-1040 PRIMARY | Brighton Cromwell Llc (USA) |
| Reference | Meaning |
|---|---|
| 4282AS2252 | D/9 Drawing number reference only Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
NSN 2945-01-733-4935 is a Filter Element,fluid, manufactured by Essex Electro Engineers Inc, classified under FSC 2945, Engine Air and Oil Filters, Cleaners, Aircraft Prime Moving. Status: active.
NSN 2945-01-733-4935 has 3 manufacturer part numbers on file: 4282AS2252-1 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), C739-1040 (Essex Electro Engineers Inc), C739-1040 (Brighton Cromwell Llc).
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.