The Filter,light,optical Instrument, cataloged under National Stock Number 1240-00-722-7447, is classified within Federal Supply Class 1240 (Optical Sighting and Ranging Equipment) of the Fire Control Equipment group. The manufacturer of record is Lockheed Martin Corporation Dba Lockheed Martin Aerostructures Div Advanced Technology Laboratories. Government technical data includes 8 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1240-00-722-7447 |
| Primary Part Number | 843008-1 |
| Item Name | Filter,light,optical Instrument |
| FSC / FSG | 1240 / 12 — Optical Sighting and Ranging Equipment |
| Manufacturer | Lockheed Martin Corporation Dba Lockheed Martin Aerostructures Div Advanced Technology Laboratories |
| Status | ACTIVE |
| FSC Application Data | VISOR ASSY,AIRCRAFT GUNNERY FIRE CONTROL |
| Length | 153.900 MILLIMETERS NOMINAL MM |
| White Light Transmission in Percent | 37.0 SINGLE FILTER |
| Diameter | 116.700 MILLIMETERS NOMINAL MM |
| Surface Parallelism | 5.0 SECONDS |
| Density Variability | NOT VARIABLE |
| Material | PLASTIC SURFACE |
| Thickness | 0.800 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| 8430008-1 | Lockheed Martin Corporation Dba Lockheed Martin Aerostructures Div Advanced Technology Laboratories (USA) |
| 843008-1 PRIMARY | Lockheed Martin Corporation Dba Lockheed Martin Aerostructures Div Advanced Technology Laboratories (USA) |
| Reference | Meaning |
|---|---|
| HNCP37 | 5/9 Secondary reference Polaroid Corporation Dba Polaroid |
| 8430008-1 | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin |
| 843008-1 | 5/9 Secondary reference Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin |
NSN 1240-00-722-7447 is a Filter,light,optical Instrument, manufactured by Lockheed Martin Corporation Dba Lockheed Martin Aerostructures Div Advanced Technology Laboratories, classified under FSC 1240, Optical Sighting and Ranging Equipment. Status: active.
NSN 1240-00-722-7447 has 2 manufacturer part numbers on file: 8430008-1 (Lockheed Martin Corporation Dba Lockheed Martin Aerostructures Div Advanced Technology Laboratories), 843008-1 (Lockheed Martin Corporation Dba Lockheed Martin Aerostructures Div Advanced Technology Laboratories).
1 possible match (shared part number, not a government interchangeability claim): 6650-01-503-8086. Verify interchangeability with system specifications before substitution.
Key specifications for 843008-1: FSC Application Data: VISOR ASSY,AIRCRAFT GUNNERY FIRE CONTROL; Length: 153.900 MILLIMETERS NOMINAL MM; White Light Transmission in Percent: 37.0 SINGLE FILTER; Diameter: 116.700 MILLIMETERS NOMINAL MM. 8 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 1240-00-722-7447 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.