The Breathing Apparatus,self-Contain, cataloged under National Stock Number 4240-01-190-0455, is classified within Federal Supply Class 4240 (Safety and Rescue Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4240-01-190-0455 |
| Item Name | Breathing Apparatus,self-Contain |
| FSC / FSG | 4240 / 42 — Safety and Rescue Equipment |
| Status | ACTIVE |
| Component Quantity | 93 |
| Document Type | TRAINING MANUAL |
| Component Document Page Number | 7-1 |
| Document Identification | 14S5-16-1 |
| Component Document Origin | INDUSTRIAL |
| Document Source | 55799 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 96338 | 5/9 Secondary reference Mine Safety Appliances Company |
| 95069 | 5/1 Secondary reference Mine Safety Appliances Company |
| A-A-50722 | 3/2 Design control — primary reference U.S. Government activity |
NSN 4240-01-190-0455 is a Breathing Apparatus,self-Contain, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5962-01-225-0567, 1005-01-627-2472. Verify interchangeability with system specifications before substitution.
Key specifications for 4240-01-190-0455: Component Quantity: 93; Document Type: TRAINING MANUAL; Component Document Page Number: 7-1; Document Identification: 14S5-16-1. 6 specifications are documented in the U.S. Government catalog.
Hazardous per DLA record (HMIC Y). 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.