The Filter,respirator,air Filtering, cataloged under National Stock Number 4240-01-515-4934, 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1 specification, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4240-01-515-4934 |
| Item Name | Filter,respirator,air Filtering |
| FSC / FSG | 4240 / 42 — Safety and Rescue Equipment |
| Status | ACTIVE |
| Hazard Protection Feature | MIST AND METAL FUMES |
| 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 |
|---|---|
| 3BB-48640 | 3/9 Design control — primary reference Survivair Corp Sub of Comasec Inc |
| 3BB-48640 | 5/9 Secondary reference Dalloz Safety |
NSN 4240-01-515-4934 is a Filter,respirator,air Filtering, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
Key specifications for 4240-01-515-4934: Hazard Protection Feature: MIST AND METAL FUMES; Special Features: FILTER/PREFILTER; APPROVED FOR SOLID AND LIQUID OIL AND NON-OIL AEROSOLS, INCLUDING DUSTS, MISTS AND WELDING FUMES; TIME USE RESTRICTIONS APPLY WHEN USED WITH OIL AEROSOLS; RETAINER CAPS AND BASES SOLD SEPARATELY. 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.