The Filter,respirator,air Filtering, cataloged under National Stock Number 4240-01-455-7353, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4240-01-455-7353 |
| Primary Part Number | 60921 |
| 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 | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 60921 PRIMARY | 3m Company (USA) |
| Reference | Meaning |
|---|---|
| 60921 | 5/9 Secondary reference 3m Company Div Oh&esd |
| 7000029639 | C/1 Advisory reference — outside the item-of-supply concept 3m Company |
NSN 4240-01-455-7353 is a Filter,respirator,air Filtering, manufactured by 3m Company, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
NSN 4240-01-455-7353 has 1 manufacturer part number on file: 60921 (3m Company).
2 possible matches (shared part number, not a government interchangeability claim): 5310-01-475-1910, 6160-01-664-9056. Verify interchangeability with system specifications before substitution.
Key specifications for 60921: Special Features: NIOSH APPROVED 42CFR84. FOR USE AGAINST ORGANIC VAPORS ONLY.. 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.