The Periscope Subassembly, cataloged under National Stock Number 1240-01-181-2293, is classified within Federal Supply Class 1240 (Optical Sighting and Ranging Equipment) of the Fire Control Equipment group. The manufacturer of record is L3 Technologies, Inc. Div L3 Keo. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1240-01-181-2293 |
| Primary Part Number | 063011 |
| Item Name | Periscope Subassembly |
| FSC / FSG | 1240 / 12 — Optical Sighting and Ranging Equipment |
| Manufacturer | L3 Technologies, Inc. Div L3 Keo |
| Status | ACTIVE |
| Major Components | ROTOR ASSY 1; GEAR ASSY 2; MOTOR 1 |
| 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 |
|---|---|
| 063011 PRIMARY | L3 Technologies, Inc. Div L3 Keo (USA) |
| Reference | Meaning |
|---|---|
| 978J063011 | 5/9 Secondary reference L3 Technologies, Inc. Div L3 Keo |
NSN 1240-01-181-2293 is a Periscope Subassembly, manufactured by L3 Technologies, Inc. Div L3 Keo, classified under FSC 1240, Optical Sighting and Ranging Equipment. Status: active.
NSN 1240-01-181-2293 has 1 manufacturer part number on file: 063011 (L3 Technologies, Inc. Div L3 Keo).
Key specifications for 063011: Major Components: ROTOR ASSY 1; GEAR ASSY 2; MOTOR 1; End Item Identification: MODEL 977 PERISCOPE SYSTEM. 1 specification is 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 1240-01-181-2293 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.