The Breathing Apparatus,self-Contain, cataloged under National Stock Number 4240-01-579-4496, 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 Lifesaving Systems Llc. Government technical data includes 1 specification, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4240-01-579-4496 |
| Primary Part Number | 575 |
| Item Name | Breathing Apparatus,self-Contain |
| FSC / FSG | 4240 / 42 — Safety and Rescue Equipment |
| Manufacturer | Lifesaving Systems Llc |
| Status | ACTIVE |
| Unpackaged Unit Weight | 1.330 POUNDS LBS |
| 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 |
|---|---|
| 575 PRIMARY | Lifesaving Systems Llc (USA) |
NSN 4240-01-579-4496 is a Breathing Apparatus,self-Contain, manufactured by Lifesaving Systems Llc, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
NSN 4240-01-579-4496 has 1 manufacturer part number on file: 575 (Lifesaving Systems Llc).
Key specifications for 575: Special Features: BREATHING SYSTEM PROVIDES APPROXIMATELY 30 BREATHS AT THE SURFACE TO GIVE USERS THE EXTRA TIME TO EXIT A SUBMERGED AIRCRAFT/VESSEL; INCLUDES DIAL PRESSURE GAUGE, RIGID NON-ACTIVE PURGE BUTTON COVER TO PREVENT AIR LOSS; 3000 PSI/1.7 CU. FT. BOTTLE; Part Name Assigned by Controlling Agency: HELICOPTER EMERGENCY EGRESS DEVICE (HEED III); Unpackaged Unit Weight: 1.330 POUNDS LBS. 1 specification is 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.