The Facepiece,breathing Equipment, cataloged under National Stock Number 4240-01-367-8939, is classified within Federal Supply Class 4240 (Safety and Rescue Equipment) of the Fire Fighting, Rescue, and Safety Equipment group. Current acquisition status: Active.
This page shows the U.S. Government catalog record for NSN 4240-01-367-8939 as we hold it. The record gives the stock number, the item name (Facepiece,breathing Equipment), its supply class (FSC 4240, Safety and Rescue Equipment) and its status (active). It lists no specifications, no manufacturer and no manufacturer part numbers. We show what the record contains and nothing more. If you know this part by a manufacturer's part number, search for that number instead.
| Item Name | Facepiece,breathing Equipment |
| FSC / FSG | 4240 — Safety and Rescue Equipment (FSG 42) |
| Parameter | Value |
|---|---|
| NSN | 4240-01-367-8939 |
| Item Name | Facepiece,breathing Equipment |
| FSC / FSG | 4240 / 42 — Safety and Rescue Equipment |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL F — Mutilate — Cut |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | Y |
NSN 4240-01-367-8939 is a Facepiece,breathing Equipment, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
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 4240-01-367-8939 has DEMIL Code F. 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.