The Filter,light,optical Instrument, cataloged under National Stock Number 1240-01-667-5908, is classified within Federal Supply Class 1240 (Optical Sighting and Ranging Equipment) of the Fire Control Equipment group. The manufacturer of record is Optical Coating Laboratory, Llc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Filter,light,optical Instrument |
| FSC / FSG | 1240 — Optical Sighting and Ranging Equipment (FSG 12) |
| Manufacturers | Optical Coating Laboratory, Llc (CAGE 11536) |
| Parameter | Value |
|---|---|
| NSN | 1240-01-667-5908 |
| Primary Part Number | 13674237-001 |
| Item Name | Filter,light,optical Instrument |
| FSC / FSG | 1240 / 12 — Optical Sighting and Ranging Equipment |
| Manufacturer | Optical Coating Laboratory, Llc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 13674237-001 PRIMARY | Optical Coating Laboratory, Llc (USA) |
| Reference | Meaning |
|---|---|
| 13674237 | D/9 Drawing number reference only Us Army Aviation and Missile Command |
| 13674237-001 | 7/2 Vendor item drawing reference Us Army Aviation and Missile Command |
NSN 1240-01-667-5908 is a Filter,light,optical Instrument, manufactured by Optical Coating Laboratory, Llc, classified under FSC 1240, Optical Sighting and Ranging Equipment. Status: active.
NSN 1240-01-667-5908 has 1 manufacturer part number on file: 13674237-001 (Optical Coating Laboratory, Llc).
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 1240-01-667-5908 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.