The Faceshield,industrial, cataloged under National Stock Number 4240-01-656-7437, 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 Devcom Chemical Biological Center Dba Chemical Biological Center Div U.s. Dept of Army. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4240-01-656-7437 |
| Primary Part Number | 11B5090035-1 |
| Item Name | Faceshield,industrial |
| FSC / FSG | 4240 / 42 — Safety and Rescue Equipment |
| Manufacturer | Devcom Chemical Biological Center Dba Chemical Biological Center Div U.s. Dept of Army |
| Status | ACTIVE |
| Visor Replaceability | REPLACEABLE |
| Style Designator | PLASTIC VISOR WITH FOREHEAD GUARD |
| Visor Support Method | HEADGEAR |
| Visor Thickness | 0.060 INCHES NOMINAL IN |
| Visor Width | 9.000 INCHES NOMINAL IN |
| Visor Length | 15.500 INCHES NOMINAL IN |
| Visor Tiltable Feature | NOT INCLUDED |
| Visor Color | CLEAR |
| 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 |
|---|---|
| 11B5090035-1 PRIMARY | Devcom Chemical Biological Center Dba Chemical Biological Center Div U.s. Dept of Army (USA) |
| Reference | Meaning |
|---|---|
| 11B5090035 | D/9 Drawing number reference only Devcom Chemical Biological Center Dba Chemical Biological Center Div U.s. Dept of Army |
NSN 4240-01-656-7437 is a Faceshield,industrial, manufactured by Devcom Chemical Biological Center Dba Chemical Biological Center Div U.s. Dept of Army, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
NSN 4240-01-656-7437 has 1 manufacturer part number on file: 11B5090035-1 (Devcom Chemical Biological Center Dba Chemical Biological Center Div U.s. Dept of Army).
1 possible match (shared part number, not a government interchangeability claim): 4240-01-656-7443. Verify interchangeability with system specifications before substitution.
Key specifications for 11B5090035-1: Visor Replaceability: REPLACEABLE; Style Designator: PLASTIC VISOR WITH FOREHEAD GUARD; Visor Support Method: HEADGEAR; Visor Thickness: 0.060 INCHES NOMINAL IN. 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.
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.