The Lens,autocollimating, cataloged under National Stock Number 1240-01-085-5029, 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 Corp Electronics and Missiles Div. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1240-01-085-5029 |
| Primary Part Number | 143423 |
| Item Name | Lens,autocollimating |
| FSC / FSG | 1240 / 12 — Optical Sighting and Ranging Equipment |
| Manufacturer | Lockheed Martin Corp Electronics and Missiles Div |
| Status | ACTIVE |
| FSC Application Data | FIRE CONTROL OPTICAL ASSEMBLY |
| General Characteristics Item Description | SHOTT GLASS BK7,PLANO-CONVEX SHAPE,0.390 IN. DIA,0.147 IN. W,SINGLE LAYER ANTIREFLECTION COATING MAGNESIUM FLOURIDE SURFACES 1 AND 2,PEAK TRANSMITTANCE AT 0.900 MICRONS PORM 0.100 MICRONS IN |
| 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 |
|---|---|
| 143423 PRIMARY | Lockheed Martin Corp Electronics and Missiles Div (USA) |
NSN 1240-01-085-5029 is a Lens,autocollimating, manufactured by Lockheed Martin Corp Electronics and Missiles Div, classified under FSC 1240, Optical Sighting and Ranging Equipment. Status: active.
NSN 1240-01-085-5029 has 1 manufacturer part number on file: 143423 (Lockheed Martin Corp Electronics and Missiles Div).
Key specifications for 143423: FSC Application Data: FIRE CONTROL OPTICAL ASSEMBLY; General Characteristics Item Description: SHOTT GLASS BK7,PLANO-CONVEX SHAPE,0.390 IN. DIA,0.147 IN. W,SINGLE LAYER ANTIREFLECTION COATING MAGNESIUM FLOURIDE SURFACES 1 AND 2,PEAK TRANSMITTANCE AT 0.900 MICRONS PORM 0.100 MICRONS IN; End Item Identification: AN/AVQ-26,TARGET DESIGNATOR SET-ELECTRO-OPTICAL OPTICAL ASSEMBLY. 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 1240-01-085-5029 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.