The Lens,optical Instrument, cataloged under National Stock Number 6650-00-451-0488, 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 L3 Technologies, Inc. Div L3 Keo. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6650-00-451-0488 |
| Primary Part Number | 1852741 |
| Item Name | Lens,optical Instrument |
| FSC / FSG | 6650 / 66 — Optical Instruments, Test Equipment, Components and Accessories |
| Manufacturer | L3 Technologies, Inc. Div L3 Keo |
| Status | ACTIVE |
| Material Document and Classification | MIL-G-174, CLASS 1, GRADE C, TYPE 523-586 MIL SPEC SINGLE MATERIAL RESPONSE |
| Diameter | 63.900 MILLIMETERS MINIMUM AND 64.000 MILLIMETERS MAXIMUM MM |
| Axial Thickness | 5.990 MILLIMETERS MINIMUM AND 6.190 MILLIMETERS MAXIMUM MM |
| Compound Lens Edge Thickness | 3.740 MILLIMETERS NOMINAL MM |
| Material | GLASS OPTICAL |
| Single Lens Style | PLANO-CONVEX |
| 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 |
|---|---|
| 1852741 PRIMARY | L3 Technologies, Inc. Div L3 Keo (USA) |
| Reference | Meaning |
|---|---|
| 1852741 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 6650-00-451-0488 is a Lens,optical Instrument, manufactured by L3 Technologies, Inc. Div L3 Keo, classified under FSC 6650, Optical Instruments, Test Equipment, Components and Accessories. Status: active.
NSN 6650-00-451-0488 has 1 manufacturer part number on file: 1852741 (L3 Technologies, Inc. Div L3 Keo).
Key specifications for 1852741: Material Document and Classification: MIL-G-174, CLASS 1, GRADE C, TYPE 523-586 MIL SPEC SINGLE MATERIAL RESPONSE; Diameter: 63.900 MILLIMETERS MINIMUM AND 64.000 MILLIMETERS MAXIMUM MM; Axial Thickness: 5.990 MILLIMETERS MINIMUM AND 6.190 MILLIMETERS MAXIMUM MM; Compound Lens Edge Thickness: 3.740 MILLIMETERS NOMINAL MM. 6 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 6650-00-451-0488 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.