The Cover,valve,respirator, cataloged under National Stock Number 4240-01-480-2217, 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 Air Liquide Advanced Technologies. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 4240-01-480-2217 |
| Primary Part Number | HADB 1001-09 |
| Item Name | Cover,valve,respirator |
| FSC / FSG | 4240 / 42 — Safety and Rescue Equipment |
| Manufacturer | Air Liquide Advanced Technologies |
| 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 |
|---|---|
| HADB 1001-09 | Air Liquide Advanced Technologies (FRA) |
| W002142 | Air Liquide Advanced Technologies (FRA) |
| Reference | Meaning |
|---|---|
| 1001-09 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4240-01-480-2217 is a Cover,valve,respirator, manufactured by Air Liquide Advanced Technologies, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
NSN 4240-01-480-2217 has 2 manufacturer part numbers on file: HADB 1001-09 (Air Liquide Advanced Technologies), W002142 (Air Liquide Advanced Technologies).
3 possible matches (shared part number, not a government interchangeability claim): 8125-01-497-2388, 5963-01-538-6870, 5340-01-683-0381. Verify interchangeability with system specifications before substitution.
Key specifications for HADB 1001-09: End Item Identification: USED ON MICRA SECOND STAGE INDEPENDENT BACK UP BREATHING SYSTEM. 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.