The Mount,sight, cataloged under National Stock Number 1240-01-518-9558, is classified within Federal Supply Class 1240 (Optical Sighting and Ranging Equipment) of the Fire Control Equipment group. The manufacturer of record is Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1240-01-518-9558 |
| Primary Part Number | 82A5027A1051 |
| Item Name | Mount,sight |
| FSC / FSG | 1240 / 12 — Optical Sighting and Ranging Equipment |
| Manufacturer | Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service |
| 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 |
|---|---|
| 82A5027A1051 PRIMARY | Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service (USA) |
| 82A5027A1051 | Alek Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| 82A5027A1051 | 5/9 Secondary reference Mbm Industries Ltd |
NSN 1240-01-518-9558 is a Mount,sight, manufactured by Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service, classified under FSC 1240, Optical Sighting and Ranging Equipment. Status: active.
NSN 1240-01-518-9558 has 2 manufacturer part numbers on file: 82A5027A1051 (Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service), 82A5027A1051 (Alek Industries Inc).
Key specifications for 82A5027A1051: Special Features: MOUNT,OPEN SIGHT,REAR; End Item Identification: 1055-01-164-4608. 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 1240-01-518-9558 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.