The Lens,optical Instrument, cataloged under National Stock Number 6650-00-315-3958, is classified within Federal Supply Class 6650 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Naval Sea Systems Command. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6650-00-315-3958 |
| Primary Part Number | 706791 |
| Item Name | Lens,optical Instrument |
| FSC / FSG | 6650 / 66 — No Item Name Available |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Individual Lens Style | DOUBLE CONVEX AND MENISCUS |
| Compound Lens Overall Axial Thickness | 12.6 MILLIMETERS NOMINAL MM |
| Material | GLASS OPTICAL |
| Compound Lens Edge Thickness | 10.7 MILLIMETERS NOMINAL MM |
| Equivalent Focal Length | 294.840 CENTIMETERS CM |
| Back Focal Length | 288.990 CENTIMETERS CM |
| Axial Thickness | 7.5 MILLIMETERS MINIMUM AND 5.0 MILLIMETERS MAXIMUM MM |
| Compound Lens Style | DOUBLET |
| Diameter | 40.0 MILLIMETERS NOMINAL MM |
| Front Focal Length | 291.580 CENTIMETERS CM |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 6650-00-315-3958 is a Lens,optical Instrument, manufactured by Naval Sea Systems Command, classified under FSC 6650 (No Item Name Available). Status: active.
NSN 6650-00-315-3958 has 3 cross-referenced part numbers: 706791 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 706791 (Naval Sea Systems Command), 62-701 (American Optical Co).
There are 8 known substitutes for 6650-00-315-3958: 3110-00-100-0502, 4820-00-115-0194, 5930-01-051-6984 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for 706791: Individual Lens Style: DOUBLE CONVEX AND MENISCUS; Compound Lens Overall Axial Thickness: 12.6 MILLIMETERS NOMINAL MM; Material: GLASS OPTICAL; Compound Lens Edge Thickness: 10.7 MILLIMETERS NOMINAL MM. 10 total characteristics are documented in the Federal Logistics Information System.