The Hose Assembly,air Duct,air Breat, cataloged under National Stock Number 4240-01-536-3572, is classified within Federal Supply Class 4240 (Safety and Rescue Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4240-01-536-3572 |
| Item Name | Hose Assembly,air Duct,air Breat |
| FSC / FSG | 4240 / 42 — Safety and Rescue Equipment |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | S |
| Reference | Meaning |
|---|---|
| 515-7383711-A1CP | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| H649-1622-A1 | 5/1 Secondary reference U.S. Government activity |
| 515-7383711-A1 | 3/1 Design control — primary reference Naval Sea Systems Command |
| H649-1622-A1CP | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
NSN 4240-01-536-3572 is a Hose Assembly,air Duct,air Breat, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
Key specifications for 4240-01-536-3572: Criticality Code Justification: ZZZY; End Item Identification: HOSE ASSEMBLY, RESUSCITATOR; Reference Number Differentiating Characteristics: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D. 2 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.