The Spectacles,industrial, cataloged under National Stock Number 4240-01-647-7147, 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 Kentek Corporation Dba Kentek Corp. Government technical data includes 22 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4240-01-647-7147 |
| Primary Part Number | KWL-5151U |
| Item Name | Spectacles,industrial |
| FSC / FSG | 4240 / 42 — Safety and Rescue Equipment |
| Manufacturer | Kentek Corporation Dba Kentek Corp |
| Status | ACTIVE |
| Colored Portion Percent | 43.0 |
| Over Other Spectacles Usage Design | INCLUDED |
| Lens Type | FILTER |
| Temple Section Style Designator | CONVENTIONAL ANGLE |
| Nose Shield | NOT INCLUDED |
| Bridge Cover | INCLUDED |
| Lens Color | GREEN |
| Diopter Curve Lens | NOT INCLUDED |
| Bicolored Feature | NOT INCLUDED |
| Lens Style | SPECIAL SHAPE |
| Spare Lens | NOT INCLUDED |
| Temple Core | NOT INCLUDED |
| Headband | PROVIDED |
| Lens Shape | SPECIAL |
| Carrying Case | PROVIDED |
| Front Style Designator | SADDLE BRIDGE WITH RIGID NOSE PADS |
| Side Shield | NOT INCLUDED |
| Material | PLASTIC POLYCARBONATE LENS |
| Material | PLASTIC POLYCARBONATE RIM |
| Material | PLASTIC POLYCARBONATE BRIDGE |
| Material | PLASTIC POLYCARBONATE TEMPLE SECTION |
| National Bureau of Standards Shade Number | 39 |
| 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 |
|---|---|
| KWL-5151U PRIMARY | Kentek Corporation Dba Kentek Corp (USA) |
NSN 4240-01-647-7147 is a Spectacles,industrial, manufactured by Kentek Corporation Dba Kentek Corp, classified under FSC 4240, Safety and Rescue Equipment. Status: active.
NSN 4240-01-647-7147 has 1 manufacturer part number on file: KWL-5151U (Kentek Corporation Dba Kentek Corp).
Key specifications for KWL-5151U: Colored Portion Percent: 43.0; Over Other Spectacles Usage Design: INCLUDED; Lens Type: FILTER; Temple Section Style Designator: CONVENTIONAL ANGLE. 22 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.