The Lens,optical Instrument, cataloged under National Stock Number 6650-00-382-1889, is classified within Federal Supply Class 6650 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6650-00-382-1889 |
| Primary Part Number | LD172589GP117 |
| Item Name | Lens,optical Instrument |
| FSC / FSG | 6650 / 66 — No Item Name Available |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Diameter | 0.847 INCHES NOMINAL IN |
| Material | GLASS OPTICAL |
| FSC Application Data | FIRE CONTROL,TELESCOPE,MK 104 MOD 0 |
| Material Document and Classification | MIL-G-174, CLASS 1, GRADE C MIL SPEC SINGLE MATERIAL RESPONSE |
| Refraction Index | 1.7200 NOMINAL AND 1.5740 NOMINAL |
| Compound Lens Style | DOUBLET |
| Compound Lens Overall Axial Thickness | 0.272 INCHES NOMINAL IN |
| Equivalent Focal Length | 7.205 INCHES IN |
| Compound Lens Edge Thickness | 0.221 INCHES NOMINAL IN |
| Element Right Surface Radius | -1.248 INCHES IN |
| Back Focal Length | 5.776 INCHES IN |
| Individual Lens Style | DOUBLE CONVEX AND DOUBLE CONCAVE |
| Axial Thickness | 0.079 INCHES NOMINAL AND 0.193 INCHES NOMINAL IN |
| Abbe Constant | 29.300 AND 57.700 |
| Element Left Surface Radius | -1.248 INCHES AND 3.937 INCHES IN |
| Front Focal Length | 5.217 INCHES IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 511502 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| LD172589GP117 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 6650-00-382-1889 is a Lens,optical Instrument, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 6650 (No Item Name Available). Status: active.
NSN 6650-00-382-1889 has 2 cross-referenced part numbers: 511502 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), LD172589GP117 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
There are 6 known substitutes for 6650-00-382-1889: 3030-00-528-4219, 2895-01-167-9170, 6220-01-296-0662 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for LD172589GP117: Diameter: 0.847 INCHES NOMINAL IN; Material: GLASS OPTICAL; FSC Application Data: FIRE CONTROL,TELESCOPE,MK 104 MOD 0; Material Document and Classification: MIL-G-174, CLASS 1, GRADE C MIL SPEC SINGLE MATERIAL RESPONSE. 16 total characteristics are documented in the Federal Logistics Information System.