The Filter Unit,air Purification Sys, cataloged under National Stock Number 4460-01-643-7336, is classified within Federal Supply Class 4460 (Air Purification Equipment) of the Furnace, Steam, Drying, Nuclear Reactors group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4460-01-643-7336 |
| Item Name | Filter Unit,air Purification Sys |
| FSC / FSG | 4460 / 44 — Air Purification Equipment |
| Status | ACTIVE |
| Color | GRAY/GREY |
| Material | ALUMINUM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 800-FF-3 | C/1 Advisory reference — outside the item-of-supply concept Fl Centek Industries Inc Dba Delta T Systems |
| 800-FF-3 | 3/9 Design control — primary reference Fl Centek Industries Inc Dba Delta T Systems |
NSN 4460-01-643-7336 is a Filter Unit,air Purification Sys, classified under FSC 4460, Air Purification Equipment. Status: active.
Key specifications for 4460-01-643-7336: Color: GRAY/GREY; Special Features: QUADRAFOAM, 1/4" THICK AIR FILTER, MODEL FF-3, 45 PPI GRAY QUADRAFOAM WITH ALUMINUM FRAME; Part Name Assigned by Controlling Agency: AIR FILTER; End Item Identification: BOAT,PATROL. 2 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.