The Canister,chemical-Biological Mas, cataloged under National Stock Number 4240-01-644-0440, 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. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4240-01-644-0440 |
| Primary Part Number | 72604/1 |
| Item Name | Canister,chemical-Biological Mas |
| FSC / FSG | 4240 / 42 — Safety and Rescue Equipment |
| Manufacturer | Avon Protection Systems Incorporated Dba Avon Protection Systems Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| 72604/3 | Astra Concept Sp. Z O.o. (POL) |
| 72604/3 | Avon Polymer Products Ltd Div Avon Protection (GBR) |
| 72604/1 PRIMARY | Avon Protection Systems Incorporated Dba Avon Protection Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 4240PL1613468 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 4240-01-644-0440 is a Canister,chemical-Biological Mas, manufactured by Avon Protection Systems Incorporated Dba Avon Protection Systems Inc, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
NSN 4240-01-644-0440 has 3 manufacturer part numbers on file: 72604/3 (Astra Concept Sp. Z O.o.), 72604/3 (Avon Polymer Products Ltd Div Avon Protection), 72604/1 (Avon Protection Systems Incorporated Dba Avon Protection Systems Inc).
Key specifications for 72604/1: Special Features: TYPE OF MODEL MILCF50 CBRN FILTER; End Item Identification: CANISTER CHEMICAL BIOLOGICAL MASK. 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 4240-01-644-0440 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.