The Lens,facepiece,chemical-Biologic, cataloged under National Stock Number 4240-01-561-4888, 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 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4240-01-561-4888 |
| Primary Part Number | 70501/156 |
| Item Name | Lens,facepiece,chemical-Biologic |
| 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 |
|---|---|
| 70501/156 | Astra Concept Sp. Z O.o. (POL) |
| 70501/156 PRIMARY | Avon Protection Systems Incorporated Dba Avon Protection Systems Inc (USA) |
| 70501/156 | Avon Polymer Products Ltd Div Avon Protection (GBR) |
| 70501-156 | Ugo Dr. Passalacqua (ITA) |
| Reference | Meaning |
|---|---|
| 70501/156 | 5/9 Secondary reference Avon Ruber Plc - Avon Technical Products |
| 4240PL1462469 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 10453874 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 4240-01-561-4888 is a Lens,facepiece,chemical-Biologic, manufactured by Avon Protection Systems Incorporated Dba Avon Protection Systems Inc, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
NSN 4240-01-561-4888 has 4 manufacturer part numbers on file: 70501/156 (Astra Concept Sp. Z O.o.), 70501/156 (Avon Protection Systems Incorporated Dba Avon Protection Systems Inc), 70501/156 (Avon Polymer Products Ltd Div Avon Protection), 70501-156 (Ugo Dr. Passalacqua).
Key specifications for 70501/156: Special Features: CLEAR OUTSERT ASSEMBLY; End Item Identification: MASK SYSTEM, INCLUDES MASK ASSEMBLY, GENERAL PURPOSE FILTER, PROTECTIVEHOOD, MASK CARRIER, VOICE PROJECTION UNIT, MICROPHONE ASSEMBLY, AND CLEAR OUTSERT ASSEMBLY. 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 4240-01-561-4888 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.