The Filter,light,optical Instrument, cataloged under National Stock Number 1240-01-063-1409, is classified within Federal Supply Class 1240 (Optical Sighting and Ranging Equipment) of the Fire Control Equipment group. The manufacturer of record is Seiler Instrument and Manufacturing Company, Incorporated. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 1240-01-063-1409 |
| Primary Part Number | SM-D-805595-3 |
| Item Name | Filter,light,optical Instrument |
| FSC / FSG | 1240 / 12 — Optical Sighting and Ranging Equipment |
| Manufacturer | Seiler Instrument and Manufacturing Company, Incorporated |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| SM-D-805595-3 | Seiler Instrument and Manufacturing Company, Incorporated (USA) |
| Reference | Meaning |
|---|---|
| SM-D-805595-3 | 5/2 Secondary reference U.S. Government activity |
| SM-D-805595-3 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1240-01-063-1409 is a Filter,light,optical Instrument, manufactured by Seiler Instrument and Manufacturing Company, Incorporated, classified under FSC 1240, Optical Sighting and Ranging Equipment. Status: active.
NSN 1240-01-063-1409 has 1 manufacturer part number on file: SM-D-805595-3 (Seiler Instrument and Manufacturing Company, Incorporated).
Key specifications for SM-D-805595-3: Special Features: ITEM CONSISTS OF FILTER,AMBER 2035194-1; HOLDER 2035594-2; End Item Identification: AN/VSG; AN/VSG-2(A) OPE. 0 specifications are documented in the U.S. Government catalog.
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 1240-01-063-1409 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.