The Lens,optical Instrument, cataloged under National Stock Number 6650-01-097-5658, 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 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6650-01-097-5658 |
| Primary Part Number | 3183354 |
| Item Name | Lens,optical Instrument |
| FSC / FSG | 6650 / 66 — Optical Instruments, Test Equipment, Components and Accessories |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Individual Lens Style | DOUBLE CONVEX AND MENISCUS DIVERGING |
| Back Focal Length | 157.510 CENTIMETERS CM |
| Front Focal Length | 160.200 CENTIMETERS CM |
| Equivalent Focal Length | 160.910 CENTIMETERS CM |
| Material Document and Classification | MIL-G-174 CL 1,GR A,TYPE LCB 2 573-574,AND GLASS OPTICAL MIL-G-174 CL 1,GR A,TYPE DF 3 621-362 MIL SPEC SINGLE MATERIAL RESPONSE |
| Diameter | 22.17 MILLIMETERS MINIMUM AND 22.20 MILLIMETERS MAXIMUM MM |
| Axial Thickness | 6.5 MILLIMETERS NOMINAL MM |
| Compound Lens Edge Thickness | 5.0 MILLIMETERS NOMINAL MM |
| Material | GLASS OPTICAL |
| Compound Lens Style | DOUBLET |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 3183354 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 6650-01-097-5658 is a Lens,optical Instrument, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 6650, Optical Instruments, Test Equipment, Components and Accessories. Status: active.
NSN 6650-01-097-5658 has 1 manufacturer part number on file: 3183354 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 3183354: Individual Lens Style: DOUBLE CONVEX AND MENISCUS DIVERGING; Back Focal Length: 157.510 CENTIMETERS CM; Front Focal Length: 160.200 CENTIMETERS CM; Equivalent Focal Length: 160.910 CENTIMETERS CM. 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 6650-01-097-5658 has DEMIL Code Q. 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.