The Inhalation Valve, cataloged under National Stock Number 4240-01-455-2811, 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 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4240-01-455-2811 |
| Primary Part Number | 7000002049 |
| Item Name | Inhalation Valve |
| 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 |
|---|---|
| 49689300 | Technisch Bureau Magema B.v. (NLD) |
| 7000002049 PRIMARY | 3m Company (USA) |
| 01482390 | Blackwood J. Blackwood & Son Pty Ltd (AUS) |
| 7000002049 | Raytheon Australia (AUS) |
| Reference | Meaning |
|---|---|
| 6893 | 3/9 Design control — primary reference 3m Company |
| 6893 | 5/9 Secondary reference 3m Company Div Oh&esd |
NSN 4240-01-455-2811 is a Inhalation Valve, manufactured by 3m Company, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
NSN 4240-01-455-2811 has 4 manufacturer part numbers on file: 49689300 (Technisch Bureau Magema B.v.), 7000002049 (3m Company), 01482390 (Blackwood J. Blackwood & Son Pty Ltd), 7000002049 (Raytheon Australia).
Key specifications for 7000002049: Special Features: USED ON SERIES 6000 FULL FACEPIECE RESPIRATOR; NIOSH 42CFR84 APPROVED. 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.