The Lens,optical Instrument, cataloged under National Stock Number 6650-00-152-6536, 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 14 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6650-00-152-6536 |
| Primary Part Number | LD172599GP1 |
| 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 |
| FSC Application Data | FIRE CONTROL,BORESIGHT,MK 30,MOD |
| Individual Lens Style | DOUBLE CONVEX AND MENISCUS DIVERGING |
| Back Focal Length | 9.156 INCHES IN |
| Front Focal Length | 9.211 INCHES IN |
| Equivalent Focal Length | 9.252 INCHES IN |
| Material Document and Classification | MIL-G-174, CLASS 1, GRADE C MIL SPEC SINGLE MATERIAL RESPONSE |
| Diameter | 0.669 INCHES NOMINAL IN |
| Abbe Constant | 57.700 AND 33.800 |
| Axial Thickness | 0.118 INCHES NOMINAL AND 0.098 INCHES NOMINAL IN |
| Compound Lens Edge Thickness | 0.204 INCHES NOMINAL IN |
| Material | GLASS OPTICAL |
| Refraction Index | 1.5740 NOMINAL AND 1.6490 NOMINAL |
| Compound Lens Style | DOUBLET |
| Compound Lens Overall Axial Thickness | 0.216 INCHES NOMINAL IN |
| 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 |
|---|---|
| LD172599PC1 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| LD172599GP1 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 6650-00-152-6536 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 6650-00-152-6536 has 2 manufacturer part numbers on file: LD172599PC1 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), LD172599GP1 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for LD172599GP1: FSC Application Data: FIRE CONTROL,BORESIGHT,MK 30,MOD; Individual Lens Style: DOUBLE CONVEX AND MENISCUS DIVERGING; Back Focal Length: 9.156 INCHES IN; Front Focal Length: 9.211 INCHES IN. 14 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 6650-00-152-6536 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.