The Spectacles,industrial, cataloged under National Stock Number 4240-01-504-5312, 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 Wiley X, Inc. Dba Wiley X Inc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. 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 | 4240-01-504-5312 |
| Primary Part Number | SG-1G |
| Item Name | Spectacles,industrial |
| FSC / FSG | 4240 / 42 — Safety and Rescue Equipment |
| Manufacturer | Wiley X, Inc. Dba Wiley X Inc |
| Status | ACTIVE |
| Polarization Feature | NOT INCLUDED |
| Material | 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 |
NSN 4240-01-504-5312 is a Spectacles,industrial, manufactured by Wiley X, Inc. Dba Wiley X Inc, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
NSN 4240-01-504-5312 has 2 manufacturer part numbers on file: SG-1G (Wiley X, Inc. Dba Wiley X Inc), SG-1G (The Tactical Shop).
Key specifications for SG-1G: Polarization Feature: NOT INCLUDED; Special Features: REPLACEMENT LENS FOR SG-1 SPECTACLES, NSN4240-01-504-0994, LENS S GREEN SMOKE,2.1MM THICK BALLISTIC POLYCARBONATE THAT CONFORMS TO ANSI Z87.1 AND MIL-STD-662 FOR FRAGMENTATION, COATED WITH ANTI-FOG, PROVIDES 100% UV PROTECTION UP TO 400 NANOMETEERS; COLOR: GREEN SMOKE MM; Material: PLASTIC POLYCARBONATE LENS. 2 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.