The Reticle,optical Instrument, cataloged under National Stock Number 6650-00-159-5075, 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 Naval Sea Systems Command. Government technical data includes 12 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 | 6650-00-159-5075 |
| Primary Part Number | SK99966PC2 |
| Item Name | Reticle,optical Instrument |
| FSC / FSG | 6650 / 66 — Optical Instruments, Test Equipment, Components and Accessories |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| FSC Application Data | FIRE CONTROL,OPTICAL BORESIGHT MK 1 |
| Graduations/markings | CROSS LINE |
| Supplementary Features | MATERIAL OPTICAL GLASS PER JAN-G-174, GRADE C |
| Style Designator | CROSSLINE |
| Diameter | 1.5945 INCHES NOMINAL IN |
| Axial Thickness | 0.1969 INCHES NOMINAL IN |
| Rim Finish | GROUND |
| Material | GLASS OPTICAL |
| Refraction Index | 1.5171 NOMINAL |
| Angle in Deg | 45.0 |
| Dispersion | 64.3 ANGSTROMS NOMINAL |
| Convex Surface Radius | 4.4685 INCHES 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 |
|---|---|
| SK99966PC2 PRIMARY | Naval Sea Systems Command (USA) |
NSN 6650-00-159-5075 is a Reticle,optical Instrument, manufactured by Naval Sea Systems Command, classified under FSC 6650, Optical Instruments, Test Equipment, Components and Accessories. Status: active.
NSN 6650-00-159-5075 has 1 manufacturer part number on file: SK99966PC2 (Naval Sea Systems Command).
Key specifications for SK99966PC2: FSC Application Data: FIRE CONTROL,OPTICAL BORESIGHT MK 1; Graduations/markings: CROSS LINE; Supplementary Features: MATERIAL OPTICAL GLASS PER JAN-G-174, GRADE C; Style Designator: CROSSLINE. 12 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 6650-00-159-5075 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.