The Adapter,air Hose,regulator, cataloged under National Stock Number 4240-01-470-3956, 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. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 4240-01-470-3956 |
| Primary Part Number | 7000126279 |
| Item Name | Adapter,air Hose,regulator |
| FSC / FSG | 4240 / 42 — Safety and Rescue Equipment |
| Manufacturer | 3m Company |
| Status | ACTIVE |
| General Characteristics Item Description | REGULATES AIRFLOW TO HEADGEAR |
| 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 |
|---|---|
| 7000126279 PRIMARY | 3m Company (USA) |
| Reference | Meaning |
|---|---|
| V-400 | 3/9 Design control — primary reference 3m Company |
NSN 4240-01-470-3956 is a Adapter,air Hose,regulator, manufactured by 3m Company, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
NSN 4240-01-470-3956 has 1 manufacturer part number on file: 7000126279 (3m Company).
1 possible match (shared part number, not a government interchangeability claim): 5965-01-630-7411. Verify interchangeability with system specifications before substitution.
Key specifications for 7000126279: General Characteristics Item Description: REGULATES AIRFLOW TO HEADGEAR; Special Features: NIOSH CERTIFIED NO. TC23C-1938; End Item Identification: PAPR) POWERED AIR PURIFING REGULATOR SYSTEMS. 1 specification is 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.