The Lens,optical Instrument, cataloged under National Stock Number 6650-01-159-7961, is classified within Federal Supply Class 6650 (Optical Instruments, Test Equipment, Components and Accessories) of the Instruments and Laboratory Equipment group. The manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6650-01-159-7961 |
| Primary Part Number | 13144219 |
| Item Name | Lens,optical Instrument |
| FSC / FSG | 6650 / 66 — Optical Instruments, Test Equipment, Components and Accessories |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Element Left Surface Radius | 4.728 INCHES IN |
| Element Right Surface Radius | 13.953 INCHES IN |
| Diameter | 2.100 INCHES NOMINAL IN |
| Axial Thickness | 0.170 INCHES NOMINAL IN |
| Material | GERMANIUM |
| Single Lens Style | MENISCUS CONVERGING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL F — Mutilate — Cut |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 13144219 PRIMARY | Us Army Aviation and Missile Command (USA) |
| Reference | Meaning |
|---|---|
| 13144219 | 5/1 Secondary reference Rocky Mountain Instrument Co. Dba Rocky Mountain Instrument Inc |
NSN 6650-01-159-7961 is a Lens,optical Instrument, manufactured by Us Army Aviation and Missile Command, classified under FSC 6650, Optical Instruments, Test Equipment, Components and Accessories. Status: active.
NSN 6650-01-159-7961 has 1 manufacturer part number on file: 13144219 (Us Army Aviation and Missile Command).
Key specifications for 13144219: Element Left Surface Radius: 4.728 INCHES IN; Element Right Surface Radius: 13.953 INCHES IN; Diameter: 2.100 INCHES NOMINAL IN; Axial Thickness: 0.170 INCHES NOMINAL IN. 6 specifications are documented in the U.S. Government catalog.
Hazardous per DLA record (HMIC Y). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 6650-01-159-7961 has DEMIL Code F. 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.