The Case,optical Instrument, cataloged under National Stock Number 1240-01-378-6288, is classified within Federal Supply Class 1240 (Optical Sighting and Ranging Equipment) of the Fire Control Equipment group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1240-01-378-6288 |
| Item Name | Case,optical Instrument |
| FSC / FSG | 1240 / 12 — Optical Sighting and Ranging Equipment |
| Status | ACTIVE |
| Specific Equipment Accommodated | DISPLAY UNIT,HEAD-U |
| Closure Fastening Type | LATCH |
| Closure Method | FOLD-OVER TOP |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 619399-3 | 3/2 Design control — primary reference U.S. Government activity |
NSN 1240-01-378-6288 is a Case,optical Instrument, classified under FSC 1240, Optical Sighting and Ranging Equipment. Status: active.
Key specifications for 1240-01-378-6288: Overall Height: 19.250 INCHES NOMINAL IN; Specific Equipment Accommodated: DISPLAY UNIT,HEAD-U; Overall Length: 49.630 INCHES NOMINAL IN; Overall Width: 24.810 INCHES NOMINAL IN. 3 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 1240-01-378-6288 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.