The Breathing Apparatus,self-Contain, cataloged under National Stock Number 4240-01-571-0154, 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 System Technology No 1 Inc. 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 | 4240-01-571-0154 |
| Primary Part Number | 3350491 |
| Item Name | Breathing Apparatus,self-Contain |
| FSC / FSG | 4240 / 42 — Safety and Rescue Equipment |
| Manufacturer | System Technology No 1 Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 3350491 PRIMARY | System Technology No 1 Inc (USA) |
NSN 4240-01-571-0154 is a Breathing Apparatus,self-Contain, manufactured by System Technology No 1 Inc, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
NSN 4240-01-571-0154 has 1 manufacturer part number on file: 3350491 (System Technology No 1 Inc).
Key specifications for 3350491: Special Features: ALLOWS ESCAPE FROM HAZARDOUS ENVIRONMENTS; VISIBLE CYLIDER CONTENTS GAUGE; WARNING WHISTLE WHEN DEVICE IS NEARING THE END OF THE AIR SUPPLY; Part Name Assigned by Controlling Agency: EMERGENCY ESCAPE BREATING APPARATUS. 0 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.
NSN 4240-01-571-0154 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.