The Facepiece Assembly,chemical-Biol, cataloged under National Stock Number 4240-01-675-8902, 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 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4240-01-675-8902 |
| Primary Part Number | 70501/563 |
| Item Name | Facepiece Assembly,chemical-Biol |
| FSC / FSG | 4240 / 42 — Safety and Rescue Equipment |
| Manufacturer | Avon Protection Systems Incorporated Dba Avon Protection Systems Inc |
| Status | ACTIVE |
| Facepiece Size Designation | MEDIUM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 70501/563 PRIMARY | Avon Protection Systems Incorporated Dba Avon Protection Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 70501/563 | 6/9 Informative reference only Royal Malaysian Navy |
NSN 4240-01-675-8902 is a Facepiece Assembly,chemical-Biol, manufactured by Avon Protection Systems Incorporated Dba Avon Protection Systems Inc, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
NSN 4240-01-675-8902 has 1 manufacturer part number on file: 70501/563 (Avon Protection Systems Incorporated Dba Avon Protection Systems Inc).
Key specifications for 70501/563: Facepiece Size Designation: MEDIUM; Special Features: CHEMICAL-BIOLOGICAL M; TWIN FILTER PORT; Part Name Assigned by Controlling Agency: FACEPIECE ASSEMBLY. 1 specification is 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.
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.