The Filter,respirator,air Filtering, cataloged under National Stock Number 4240-01-455-7557, is classified within Federal Supply Class 4240 (Safety and Rescue Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. The manufacturer of record is 3m Company. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4240-01-455-7557 |
| Primary Part Number | 60927 |
| Item Name | Filter,respirator,air Filtering |
| FSC / FSG | 4240 / 42 — Safety and Rescue Equipment |
| Manufacturer | 3m Company |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 60927 PRIMARY | 3m Company (USA) |
| Reference | Meaning |
|---|---|
| 60929S | 5/9 Secondary reference 3m Company |
| 60929 | 5/9 Secondary reference 3m Company Div Oh&esd |
| 60929 | 5/9 Secondary reference 3m Company |
NSN 4240-01-455-7557 is a Filter,respirator,air Filtering, manufactured by 3m Company, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
NSN 4240-01-455-7557 has 1 manufacturer part number on file: 60927 (3m Company).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-540-0651. Verify interchangeability with system specifications before substitution.
Key specifications for 60927: Special Features: NIOSH APPROVED 42CFR84. USED AGAINST MERCURY VAPOR/CHLORINE. 0 specifications are documented in the U.S. Government catalog.
Hazardous per DLA record (HMIC Y). 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.