The Powered Air Purifier Respirator, cataloged under National Stock Number 4240-01-512-6791, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4240-01-512-6791 |
| Primary Part Number | 5201500 |
| Item Name | Powered Air Purifier Respirator |
| 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 |
|---|---|
| 5201500 PRIMARY | 3m Company (USA) |
| Reference | Meaning |
|---|---|
| 4240NCM031156 | 5/1 Secondary reference Defense Medical Standardization Board |
| 03-1501 | 5/1 Secondary reference U.S. Government activity |
| 5201500 | 3/9 Design control — primary reference 3m Company Div Occupational Health and Safety Div |
NSN 4240-01-512-6791 is a Powered Air Purifier Respirator, manufactured by 3m Company, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
NSN 4240-01-512-6791 has 1 manufacturer part number on file: 5201500 (3m Company).
1 possible match (shared part number, not a government interchangeability claim): 3020-01-585-2500. Verify interchangeability with system specifications before substitution.
Key specifications for 5201500: Special Features: BELT MOUNTED AIR PURIFYING RESPIRATOR; LIGHTWEIGHT; DESIGNED TO BE WORN FOR LONG PERIODS; TO WEAR ON WAIST OF USER; INLCUDES AIR FILTER, BATTERY PACK, MOTOR BLOWER, WAIST BELT, AIR FLOW INDICATOR. 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.