The Filter,light,optical Instrument, cataloged under National Stock Number 1240-01-291-9207, is classified within Federal Supply Class 1240 (Optical Sighting and Ranging Equipment) of the Fire Control Equipment group. The manufacturer of record is Northrop Grumman Systems Corporation. 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 | 1240-01-291-9207 |
| Primary Part Number | 60511264-1 |
| Item Name | Filter,light,optical Instrument |
| FSC / FSG | 1240 / 12 — Optical Sighting and Ranging Equipment |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Density Variability | NOT VARIABLE |
| Material | GLASS LAMINATE SURFACE |
| 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 |
|---|---|
| 60511264-1 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| ILS105-1 | Northrop Grumman Systems Corporation (USA) |
NSN 1240-01-291-9207 is a Filter,light,optical Instrument, manufactured by Northrop Grumman Systems Corporation, classified under FSC 1240, Optical Sighting and Ranging Equipment. Status: active.
NSN 1240-01-291-9207 has 2 manufacturer part numbers on file: 60511264-1 (Northrop Grumman Systems Corporation), ILS105-1 (Northrop Grumman Systems Corporation).
Key specifications for 60511264-1: Overall Height: 0.559 INCHES MINIMUM AND 0.599 INCHES MAXIMUM IN; Overall Length: 0.480 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN; Overall Width: 0.480 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN; Density Variability: NOT VARIABLE. 2 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 1240-01-291-9207 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.