The Filter,drive Unit, cataloged under National Stock Number 2935-00-613-3133, is classified within Federal Supply Class 2935 (Engine System Cooling Components, Aircraft Prime Moving) of the Engine Accessories group. The manufacturer of record is Defense & Development Enterprises Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Filter,drive Unit |
| FSC / FSG | 2935 — Engine System Cooling Components, Aircraft Prime Moving (FSG 29) |
| Manufacturers | Defense & Development Enterprises Llc (CAGE 07KQ5) |
| Parameter | Value |
|---|---|
| NSN | 2935-00-613-3133 |
| Primary Part Number | 25308 |
| Item Name | Filter,drive Unit |
| FSC / FSG | 2935 / 29 — Engine System Cooling Components, Aircraft Prime Moving |
| Manufacturer | Defense & Development Enterprises Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 25308 PRIMARY | Defense & Development Enterprises Llc (USA) |
| Reference | Meaning |
|---|---|
| 25308 | 3/9 Design control — primary reference Triumph Thermal Systems - Maryland, Inc. |
NSN 2935-00-613-3133 is a Filter,drive Unit, manufactured by Defense & Development Enterprises Llc, classified under FSC 2935, Engine System Cooling Components, Aircraft Prime Moving. Status: active.
NSN 2935-00-613-3133 has 1 manufacturer part number on file: 25308 (Defense & Development Enterprises Llc).
4 possible matches (shared part number, not a government interchangeability claim): 3120-00-661-8371, 5935-01-105-0331, 2915-01-195-5293. Verify interchangeability with system specifications before substitution.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 2935-00-613-3133 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.