The Filter,light,optical Instrument, cataloged under National Stock Number 1240-01-352-9797, is classified within Federal Supply Class 1240 (Optical Sighting and Ranging Equipment) of the Fire Control Equipment group. The manufacturer of record is Oriel Corp. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Filter,light,optical Instrument |
| FSC / FSG | 1240 — Optical Sighting and Ranging Equipment (FSG 12) |
| Manufacturers | Oriel Corp (CAGE 29787) |
| Parameter | Value |
|---|---|
| NSN | 1240-01-352-9797 |
| Primary Part Number | 59970 |
| Item Name | Filter,light,optical Instrument |
| FSC / FSG | 1240 / 12 — Optical Sighting and Ranging Equipment |
| Manufacturer | Oriel Corp |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 59970 PRIMARY | Oriel Corp (USA) |
| Reference | Meaning |
|---|---|
| 50970 | 5/9 Secondary reference Oriel Corp |
NSN 1240-01-352-9797 is a Filter,light,optical Instrument, manufactured by Oriel Corp, classified under FSC 1240, Optical Sighting and Ranging Equipment. Status: active.
NSN 1240-01-352-9797 has 1 manufacturer part number on file: 59970 (Oriel Corp).
3 possible matches (shared part number, not a government interchangeability claim): 1560-01-424-5652, 5340-01-616-1457, 5331-01-687-0977. Verify interchangeability with system specifications before substitution.
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 1240-01-352-9797 has DEMIL Code D. 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.