The Hose,air Breathing, cataloged under National Stock Number 4720-00-779-3397, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Hose,air Breathing |
| FSC / FSG | 4720 — Hose and Flexible Tubing (FSG 47) |
| Parameter | Value |
|---|---|
| NSN | 4720-00-779-3397 |
| Item Name | Hose,air Breathing |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| B1128-08 | 3/9 Design control — primary reference Biosystems Inc Div Sperian Protection Americas Inc. |
| 1128-08 | D/9 Drawing number reference only U.S. Government activity |
NSN 4720-00-779-3397 is a Hose,air Breathing, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
No hazard code in the DLA record (HMIC N). 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.