The Filter Media 25MM, cataloged under National Stock Number 6665-01-487-2838, is classified within Federal Supply Class 6665 (Hazard-detecting Instruments and Apparatus) of the Instruments and Laboratory Equipment group. The manufacturer of record is Arthur H. Thomas Company. The record lists 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 6665-01-487-2838 |
| Primary Part Number | 4752D20 |
| Item Name | Filter Media 25MM |
| FSC / FSG | 6665 / 66 — Hazard-detecting Instruments and Apparatus |
| Manufacturer | Arthur H. Thomas Company |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 4752D20 PRIMARY | Arthur H. Thomas Company (USA) |
| 7343945 IT 7 | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 7343945 | D/9 Drawing number reference only Naval Sea Systems Command |
NSN 6665-01-487-2838 is a Filter Media 25MM, manufactured by Arthur H. Thomas Company, classified under FSC 6665, Hazard-detecting Instruments and Apparatus. Status: active.
NSN 6665-01-487-2838 has 2 manufacturer part numbers on file: 4752D20 (Arthur H. Thomas Company), 7343945 IT 7 (Naval Sea Systems Command).
Key specifications for 4752D20: Special Features: GF/D GLASS MICROFIBER PREFITTED DISCS; TEMP RATE 500C; End Item Identification: NSN 666501486-4192. 0 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.