The Hose Assembly,air Breathing, cataloged under National Stock Number 4240-01-397-7811, 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 7 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4240-01-397-7811 |
| Primary Part Number | 7000051925 |
| Item Name | Hose Assembly,air Breathing |
| FSC / FSG | 4240 / 42 — Safety and Rescue Equipment |
| Manufacturer | 3m Company |
| Status | ACTIVE |
| Connection Type | THREADED FIRST END |
| Style Designator | HELICALLY WOUND CONTINOUS WIRE SUPPORTED |
| Coupling Style | THREADED EXTERNAL SECOND END |
| Cross-Sectional Shape Style | ROUNDROUND |
| Inside Diameter | 1.500 INCHES NOMINAL FIRST END IN |
| Material | PLASTIC ALL PLIES |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) SECOND END |
| 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 |
|---|---|
| 7000051925 PRIMARY | 3m Company (USA) |
| Reference | Meaning |
|---|---|
| GVP-122 | 3/9 Design control — primary reference 3m Company |
| GVP-122 | 5/9 Secondary reference U.S. Government activity |
| GVP-122 | 5/9 Secondary reference 3m Company Div Oh&esd |
NSN 4240-01-397-7811 is a Hose Assembly,air Breathing, manufactured by 3m Company, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
NSN 4240-01-397-7811 has 1 manufacturer part number on file: 7000051925 (3m Company).
Key specifications for 7000051925: Connection Type: THREADED FIRST END; Style Designator: HELICALLY WOUND CONTINOUS WIRE SUPPORTED; Coupling Style: THREADED EXTERNAL SECOND END; Cross-Sectional Shape Style: ROUNDROUND. 7 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.