The Conversion Kit,face Mounted, cataloged under National Stock Number 4240-01-395-9984, is classified within Federal Supply Class 4240 (Safety and Rescue Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4240-01-395-9984 |
| Item Name | Conversion Kit,face Mounted |
| FSC / FSG | 4240 / 42 — Safety and Rescue Equipment |
| Status | ACTIVE |
| Material | RUBBER SYNTHETIC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 7926 | 3/9 Design control — primary reference 3m Company Div Oh&esd |
NSN 4240-01-395-9984 is a Conversion Kit,face Mounted, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 3040-01-495-5155. Verify interchangeability with system specifications before substitution.
Key specifications for 4240-01-395-9984: Special Features: C/O ONE BREATHING ROOM ASSY,ONE SPEAKING DIAPHRAGM,TWO FILTER HOLDERS,ONE NOSECUP,AND TWO INHALATION VALVES; SOLE SOURCE REQUIRED BY STATUTE 6.302; End Item Identification: POWERED AIR PURIFYING RESPIRATOR (PAPR); Material: RUBBER SYNTHETIC. 1 specification is 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.