The Lens,spectacles,industrial, cataloged under National Stock Number 4240-01-583-5748, 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 Eye Safety Systems Inc Div Eye Safety Systems, Inc. a Subsidiary of Oakley Corporation. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 4240-01-583-5748 |
| Primary Part Number | 740-0421 |
| Item Name | Lens,spectacles,industrial |
| FSC / FSG | 4240 / 42 — Safety and Rescue Equipment |
| Manufacturer | Eye Safety Systems Inc Div Eye Safety Systems, Inc. a Subsidiary of Oakley Corporation |
| Status | ACTIVE |
| General Characteristics Item Description | CLEAR PLASTIC POLYCARBONATE LENS |
| 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 |
|---|---|
| 740-0421 PRIMARY | Eye Safety Systems Inc Div Eye Safety Systems, Inc. a Subsidiary of Oakley Corporation (USA) |
| Reference | Meaning |
|---|---|
| 10359545 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 4240-01-583-5748 is a Lens,spectacles,industrial, manufactured by Eye Safety Systems Inc Div Eye Safety Systems, Inc. a Subsidiary of Oakley Corporation, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
NSN 4240-01-583-5748 has 1 manufacturer part number on file: 740-0421 (Eye Safety Systems Inc Div Eye Safety Systems, Inc. a Subsidiary of Oakley Corporation).
Key specifications for 740-0421: General Characteristics Item Description: CLEAR PLASTIC POLYCARBONATE LENS; Special Features: ANTI-SCRATCH AND ANTI-FOG;FOR ESS CROSBOW;MEETS ANSI Z87.1 SAFETY REQUIREMENTS; Part Name Assigned by Controlling Agency: EYE SAFETY SYSTEM (ESS) CROSSBOW SPECTACLE CLEAR LENSES. 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.