The Holder,optical Element, cataloged under National Stock Number 1240-01-291-6442, 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 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1240-01-291-6442 |
| Primary Part Number | 60511102-9 |
| Item Name | Holder,optical Element |
| FSC / FSG | 1240 / 12 — Optical Sighting and Ranging Equipment |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Attachment to Item Supported Method | TWO MOUNTING HOLES THREADED 0.086 IN. DIA IN |
| Material | ALUMINUM ALLOY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 60511102-9 | Norman Engineering Corporation (USA) |
| 60511102-9 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| 60511499-1 | Alek Industries Inc (USA) |
NSN 1240-01-291-6442 is a Holder,optical Element, manufactured by Northrop Grumman Systems Corporation, classified under FSC 1240, Optical Sighting and Ranging Equipment. Status: active.
NSN 1240-01-291-6442 has 3 manufacturer part numbers on file: 60511102-9 (Norman Engineering Corporation), 60511102-9 (Northrop Grumman Systems Corporation), 60511499-1 (Alek Industries Inc).
Key specifications for 60511102-9: Attachment to Item Supported Method: TWO MOUNTING HOLES THREADED 0.086 IN. DIA IN; End Item Identification: LANTIRN TARGET PROJECT; Material: ALUMINUM ALLOY. 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 1240-01-291-6442 has DEMIL Code B. 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.