The Hose,air Breathing, cataloged under National Stock Number 4240-01-397-0405, 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 Interspiro Inc. Government technical data includes 3 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4240-01-397-0405 |
| Primary Part Number | 336190265 |
| Item Name | Hose,air Breathing |
| FSC / FSG | 4240 / 42 — Safety and Rescue Equipment |
| Manufacturer | Interspiro Inc |
| Status | ACTIVE |
| Style Designator | FULLY CONVOLUTED |
| Cross-Sectional Shape Style | ROUNDROUND |
| Material | PLASTIC ALL PLIES |
| 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 |
|---|---|
| 336190265 PRIMARY | Interspiro Inc (USA) |
| Reference | Meaning |
|---|---|
| 336-190-075 | 5/9 Secondary reference Interspiro Inc |
NSN 4240-01-397-0405 is a Hose,air Breathing, manufactured by Interspiro Inc, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
NSN 4240-01-397-0405 has 1 manufacturer part number on file: 336190265 (Interspiro Inc).
Key specifications for 336190265: Style Designator: FULLY CONVOLUTED; Cross-Sectional Shape Style: ROUNDROUND; Special Features: HIGH PRESSURE HOSE, FOR AGA WELDING , WORKING PRESSURE 30 MPA, HOSES SHOULD BE MARKED WITH P AND THE YEAR, MEETS NIOSH/MSHA APPROVAL FOR INTRINSICALLY SAFE APPARATUS, SOLE SOURCEHIGH PRESSURE HOSE, FOR AGA WELDING , WORKING PRESSURE 30 MPA, HOSES SHOULD BE MARKED WITH P AND THE YEAR, MEETS NIOSH/MSHA APPROVAL FOR INTRINSICALLY SAFE APPARATUS, SOLE SOURCE; Material: PLASTIC ALL PLIES. 3 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.