The Mount,sight, cataloged under National Stock Number 1240-01-587-5920, is classified within Federal Supply Class 1240 (Optical Sighting and Ranging Equipment) of the Fire Control Equipment group. The manufacturer of record is Austin Precision Products Incorporated Div Larue Tactical. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Mount,sight |
| FSC / FSG | 1240 — Optical Sighting and Ranging Equipment (FSG 12) |
| Manufacturers | Austin Precision Products Incorporated Div Larue Tactical (CAGE 086B5) |
| Parameter | Value |
|---|---|
| NSN | 1240-01-587-5920 |
| Primary Part Number | LT622-EREK |
| Item Name | Mount,sight |
| FSC / FSG | 1240 / 12 — Optical Sighting and Ranging Equipment |
| Manufacturer | Austin Precision Products Incorporated Div Larue Tactical |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| LT622-EREK PRIMARY | Austin Precision Products Incorporated Div Larue Tactical (USA) |
| Reference | Meaning |
|---|---|
| SUB-ACC3199-1 | 5/9 Secondary reference Trijicon, Inc. Dba Trijicon Inc |
| SP-ACC3199-1 | 5/9 Secondary reference Trijicon, Inc. Dba Trijicon Inc |
NSN 1240-01-587-5920 is a Mount,sight, manufactured by Austin Precision Products Incorporated Div Larue Tactical, classified under FSC 1240, Optical Sighting and Ranging Equipment. Status: active.
NSN 1240-01-587-5920 has 1 manufacturer part number on file: LT622-EREK (Austin Precision Products Incorporated Div Larue Tactical).
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 1240-01-587-5920 has DEMIL Code Q. 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.