The Mask,gas, cataloged under National Stock Number 4240-01-666-1452, 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 Avon Protection Systems Incorporated Dba Avon Protection Systems Inc. Government technical data includes 8 specifications, 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 | 4240-01-666-1452 |
| Primary Part Number | 72601-250-11 |
| Item Name | Mask,gas |
| FSC / FSG | 4240 / 42 — Safety and Rescue Equipment |
| Manufacturer | Avon Protection Systems Incorporated Dba Avon Protection Systems Inc |
| Status | ACTIVE |
| Facepiece Design | FULL |
| Spectacle Usage Provision | NOT PROVIDED |
| Canister to Facepiece Attachment Method | DIRECT |
| Carrying Facility | CARRIER |
| Facepiece Speaking Diaphragm | INCLUDED |
| Canister Carrying Harness | NOT INCLUDED |
| Material | RUBBER SILICONE CLASS Q FACEPIECE |
| Material | PLASTIC POLYAMIDE NYLON CARRYING CASE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 72601-250-11 PRIMARY | Avon Protection Systems Incorporated Dba Avon Protection Systems Inc (USA) |
NSN 4240-01-666-1452 is a Mask,gas, manufactured by Avon Protection Systems Incorporated Dba Avon Protection Systems Inc, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
NSN 4240-01-666-1452 has 1 manufacturer part number on file: 72601-250-11 (Avon Protection Systems Incorporated Dba Avon Protection Systems Inc).
Key specifications for 72601-250-11: Facepiece Design: FULL; Spectacle Usage Provision: NOT PROVIDED; Canister to Facepiece Attachment Method: DIRECT; Carrying Facility: CARRIER. 8 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 4240-01-666-1452 has DEMIL Code Q. 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.