The Lens,optical Instrument, cataloged under National Stock Number 6650-00-503-3906, 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 Us Army Aviation and Missile Command. Government technical data includes 13 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 | 6650-00-503-3906 |
| Primary Part Number | 5033906 |
| Item Name | Lens,optical Instrument |
| FSC / FSG | 6650 / 66 — Optical Instruments, Test Equipment, Components and Accessories |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| FSC Application Data | TELESCOPE,INTEGRATED WITH FIRE CONTROL EQUIPMENT |
| Individual Lens Style | DOUBLE CONVEX AND PLANO-CONCAVE |
| Back Focal Length | 4.532 INCHES OR 4.728 INCHES IN |
| Equivalent Focal Length | 4.790 INCHES OR 4.800 INCHES IN |
| Material Document and Classification | JAN-G-174, GRADE C MIL SPEC SINGLE MATERIAL RESPONSE |
| Diameter | 1.220 INCHES NOMINAL IN |
| Abbe Constant | 33.700 AND 64.500 |
| Axial Thickness | 0.252 INCHES NOMINAL AND 0.108 INCHES NOMINAL IN |
| Compound Lens Edge Thickness | 0.267 INCHES NOMINAL IN |
| Material | GLASS OPTICAL |
| Refraction Index | 1.5170 MINIMUM AND 1.6490 MAXIMUM |
| Compound Lens Style | DOUBLET |
| Compound Lens Overall Axial Thickness | 0.360 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 |
|---|---|
| 5033906 PRIMARY | Us Army Aviation and Missile Command (USA) |
NSN 6650-00-503-3906 is a Lens,optical Instrument, manufactured by Us Army Aviation and Missile Command, classified under FSC 6650, Optical Instruments, Test Equipment, Components and Accessories. Status: active.
NSN 6650-00-503-3906 has 1 manufacturer part number on file: 5033906 (Us Army Aviation and Missile Command).
Key specifications for 5033906: FSC Application Data: TELESCOPE,INTEGRATED WITH FIRE CONTROL EQUIPMENT; Individual Lens Style: DOUBLE CONVEX AND PLANO-CONCAVE; Back Focal Length: 4.532 INCHES OR 4.728 INCHES IN; Equivalent Focal Length: 4.790 INCHES OR 4.800 INCHES IN. 13 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 6650-00-503-3906 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.