The Filter Unit,air Purification Sys, cataloged under National Stock Number 4460-01-554-1357, is classified within Federal Supply Class 4460 (Air Purification Equipment) of the Furnace, Steam, Drying, Nuclear Reactors group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. 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 | 4460-01-554-1357 |
| Primary Part Number | 109-4751 |
| Item Name | Filter Unit,air Purification Sys |
| FSC / FSG | 4460 / 44 — Air Purification Equipment |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| 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 |
|---|---|
| 109-4751 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
NSN 4460-01-554-1357 is a Filter Unit,air Purification Sys, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 4460, Air Purification Equipment. Status: active.
NSN 4460-01-554-1357 has 1 manufacturer part number on file: 109-4751 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 109-4751: Part Name Assigned by Controlling Agency: MEMBRANE, AC; End Item Identification: MULTI-TERRAIN LOADER; 3805-01-539-3925. 0 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.