The Purifier Unit,air, cataloged under National Stock Number 4460-01-642-7516, is classified within Federal Supply Class 4460 (Air Purification Equipment) of the Furnace, Steam, Drying, Nuclear Reactors group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Purifier Unit,air |
| FSC / FSG | 4460 — Air Purification Equipment (FSG 44) |
| Manufacturers | Naval Inventory Control Point Mechanicsburg (CAGE 03950) |
| Parameter | Value |
|---|---|
| NSN | 4460-01-642-7516 |
| Primary Part Number | G547-0004-A42D4 |
| Item Name | Purifier Unit,air |
| FSC / FSG | 4460 / 44 — Air Purification Equipment |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| G547-0004-A42D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| 3801018D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| 7550480-A42D4 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 7550480-A42 | 3/1 Design control — primary reference Naval Sea Systems Command |
| 3801018 | 5/1 Secondary reference U.S. Government activity |
| G547-0004-A42 | 5/1 Secondary reference Naval Sea Systems Command |
NSN 4460-01-642-7516 is a Purifier Unit,air, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 4460, Air Purification Equipment. Status: active.
NSN 4460-01-642-7516 has 3 manufacturer part numbers on file: G547-0004-A42D4 (Naval Inventory Control Point Mechanicsburg), 3801018D4 (Naval Inventory Control Point Mechanicsburg), 7550480-A42D4 (Naval Inventory Control Point Mechanicsburg).
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 4460-01-642-7516 has DEMIL Code D. 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.