The Respirator,air Filtering, cataloged under National Stock Number 4240-01-697-7516, is classified within Federal Supply Class 4240 (Safety and Rescue Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4240-01-697-7516 |
| Item Name | Respirator,air Filtering |
| FSC / FSG | 4240 / 42 — Safety and Rescue Equipment |
| Status | ACTIVE |
| Mask Type | HALF FACEPIECE |
| Head Harness | NOT INCLUDED |
| Material | SILICON MASK |
| 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 |
|---|---|
| G055-1000-03 | 3/9 Design control — primary reference Ops-Core Inc. |
| 4240SH0038775 | 6/9 Informative reference only Centre Interarmees Du Soutien Equipements Commissariat |
NSN 4240-01-697-7516 is a Respirator,air Filtering, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
Key specifications for 4240-01-697-7516: Mask Type: HALF FACEPIECE; Head Harness: NOT INCLUDED; Special Features: PROVIDES PROTECTION AGAINST OIL AND NON-OIL BASED PARTICULATE CONTAMINANTS; 99.97% FILTRATION AGAINST AIBORNE PARTICULATES, INCLUDING LEAD, ASBESTOS,LUBRICANT MIST, AND EXPLOSIVE GUNFIRE. COMPATIBLE WITH TACTICAL HELMET AND E YE WEAR.; Part Name Assigned by Controlling Agency: HALF-MASK RESPIRATOR INTENDED FOR GROUND OPERATIONS. 3 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.