The Filter,air,chemical-Biological, cataloged under National Stock Number 4240-01-687-9573, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4240-01-687-9573 |
| Primary Part Number | 600793 |
| Item Name | Filter,air,chemical-Biological |
| 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 F — Mutilate — Cut |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| ATA53CBRNF | Firekraft Austria (AUT) |
| 600793 PRIMARY | Avon Protection Systems Incorporated Dba Avon Protection Systems Inc (USA) |
NSN 4240-01-687-9573 is a Filter,air,chemical-Biological, manufactured by Avon Protection Systems Incorporated Dba Avon Protection Systems Inc, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
NSN 4240-01-687-9573 has 2 manufacturer part numbers on file: ATA53CBRNF (Firekraft Austria), 600793 (Avon Protection Systems Incorporated Dba Avon Protection Systems Inc).
Key specifications for 600793: Part Name Assigned by Controlling Agency: FILTER,AIR,CHEMICAL-BIOLOGICAL; End Item Identification: CF50E FILTER AVON ST53,AFC 4 PACK,CBRN. 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 4240-01-687-9573 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.