The Window,optical Instrument, cataloged under National Stock Number 1240-01-073-1629, is classified within Federal Supply Class 1240 (Optical Sighting and Ranging Equipment) of the Fire Control Equipment group. The manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 10 specifications, 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1240-01-073-1629 |
| Primary Part Number | 11507715 |
| Item Name | Window,optical Instrument |
| FSC / FSG | 1240 / 12 — Optical Sighting and Ranging Equipment |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| FSC Application Data | TARGET DESIGNATOR |
| Bevel Depth | 0.038 INCHES MINIMUM AND 0.053 INCHES MAXIMUM IN |
| Material Document and Classification | MIL-G-174, CLASS 1, GRADE A, TYPE 517-642 MIL SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED |
| Diameter | 4.248 INCHES MINIMUM AND 4.250 INCHES MAXIMUM IN |
| Reflection Reducing Surface | BOTH |
| Polished Periphery | PROVIDED |
| Bevel Angle in Deg | 20.000 MINIMUM AND 40.000 MAXIMUM |
| Material | GLASS OPTICAL LOCATION NOT OTHERWISE SPECIFIED |
| Polished Surface | BOTH |
| Thickness | 0.200 INCHES MINIMUM AND 0.210 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 11507715 PRIMARY | Us Army Aviation and Missile Command (USA) |
| Reference | Meaning |
|---|---|
| 11507715 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
| 11507715 | 5/1 Secondary reference Cvi Laser Llc Dba Cvi Optical Components |
| 11507715 | 5/1 Secondary reference U.S. Government activity |
NSN 1240-01-073-1629 is a Window,optical Instrument, manufactured by Us Army Aviation and Missile Command, classified under FSC 1240, Optical Sighting and Ranging Equipment. Status: active.
NSN 1240-01-073-1629 has 1 manufacturer part number on file: 11507715 (Us Army Aviation and Missile Command).
Key specifications for 11507715: FSC Application Data: TARGET DESIGNATOR; Bevel Depth: 0.038 INCHES MINIMUM AND 0.053 INCHES MAXIMUM IN; Material Document and Classification: MIL-G-174, CLASS 1, GRADE A, TYPE 517-642 MIL SPEC SINGLE MATERIAL RESPONSE LOCATION NOT OTHERWISE SPECIFIED; Diameter: 4.248 INCHES MINIMUM AND 4.250 INCHES MAXIMUM IN. 10 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 1240-01-073-1629 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.