The Lens,optical Instrument, cataloged under National Stock Number 6650-01-079-3015, 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 Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate. Government technical data includes 11 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6650-01-079-3015 |
| Primary Part Number | 12278940 |
| Item Name | Lens,optical Instrument |
| FSC / FSG | 6650 / 66 — Optical Instruments, Test Equipment, Components and Accessories |
| Manufacturer | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| Status | ACTIVE |
| Length | 51.0 MILLIMETERS NOMINAL MM |
| Element Left Surface Radius | 0.0 MILLIMETERS MM |
| Element Right Surface Radius | 68.6 MILLIMETERS MM |
| Material Document and Classification | MIL-G-174, GRADE B, TYPE 517-642 MIL SPEC SINGLE MATERIAL RESPONSE |
| Diameter | 51.0 MILLIMETERS NOMINAL MM |
| Abbe Constant | 64.200 |
| Axial Thickness | 5.2 MILLIMETERS NOMINAL MM |
| Width | 10.5 MILLIMETERS NOMINAL MM |
| Material | GLASS OPTICAL |
| Refraction Index | 1.5170 NOMINAL |
| Single Lens Style | PLANO-CONVEX |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 12278940 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
NSN 6650-01-079-3015 is a Lens,optical Instrument, manufactured by Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate, classified under FSC 6650, Optical Instruments, Test Equipment, Components and Accessories. Status: active.
NSN 6650-01-079-3015 has 1 manufacturer part number on file: 12278940 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
Key specifications for 12278940: Length: 51.0 MILLIMETERS NOMINAL MM; Element Left Surface Radius: 0.0 MILLIMETERS MM; Element Right Surface Radius: 68.6 MILLIMETERS MM; Material Document and Classification: MIL-G-174, GRADE B, TYPE 517-642 MIL SPEC SINGLE MATERIAL RESPONSE. 11 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 6650-01-079-3015 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.