The Cartridge,respirator,air Filteri, cataloged under National Stock Number 4240-01-308-4400, 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 Us Army Aviation and Missile Command. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4240-01-308-4400 |
| Primary Part Number | 11463997-2 |
| Item Name | Cartridge,respirator,air Filteri |
| FSC / FSG | 4240 / 42 — Safety and Rescue Equipment |
| Manufacturer | Us Army Aviation and Missile Command |
| 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 |
|---|---|
| 11463997-2 PRIMARY | Us Army Aviation and Missile Command (USA) |
| 11463997-2 PRIMARY | Arben Enterprises, Inc (USA) |
| Reference | Meaning |
|---|---|
| 4240PL2176481 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 11463997-2 | 5/1 Secondary reference Raytheon Company Dba Raytheon Co |
| 11463997-2 | 5/9 Secondary reference Raytheon Company Div Corp |
NSN 4240-01-308-4400 is a Cartridge,respirator,air Filteri, manufactured by Us Army Aviation and Missile Command, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
NSN 4240-01-308-4400 has 2 manufacturer part numbers on file: 11463997-2 (Us Army Aviation and Missile Command), 11463997-2 (Arben Enterprises, Inc).
Key specifications for 11463997-2: Special Features: POLYCARBONATE; CARTRIDGE ASSEMBLY WITHOUT SULPHUR REMOVAL BED; 9.600 IN. BY 2.710 IN. DIAMETER IN. 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.