The Ring,retaining,optical Element, cataloged under National Stock Number 6650-01-192-5515, is classified within Federal Supply Class 6650 (Optical Instruments, Test Equipment, Components and Accessories) of the Instruments and Laboratory Equipment group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6650-01-192-5515 |
| Item Name | Ring,retaining,optical Element |
| FSC / FSG | 6650 / 66 — Optical Instruments, Test Equipment, Components and Accessories |
| Status | ACTIVE |
| Internal Flange Thickness | 0.040 INCHES NOMINAL IN |
| Thread Pitch Diameters | +1.5740 TO 1.5780 INCHES IN |
| Outside Diameter | 1.691 INCHES MAXIMUM IN |
| Thread Length | 0.200 INCHES IN |
| Thread Location | INTERNAL |
| Aperture Diameter | 1.420 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Thread Size | 1 19/32-32 |
| Screw Thread Series Designator | UNS |
| Surface Treatment | COPPER AND OXIDE |
| Thread Class | 2B |
| Material | STEEL CORROSION RESISTING |
| 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 |
| Reference | Meaning |
|---|---|
| SM-C-773400 | 5/9 Secondary reference General Tool Co |
| SM-C-773400 | 3/2 Design control — primary reference U.S. Government activity |
NSN 6650-01-192-5515 is a Ring,retaining,optical Element, classified under FSC 6650, Optical Instruments, Test Equipment, Components and Accessories. Status: active.
Key specifications for 6650-01-192-5515: Internal Flange Thickness: 0.040 INCHES NOMINAL IN; Thread Pitch Diameters: +1.5740 TO 1.5780 INCHES IN; Overall Length: 0.798 INCHES NOMINAL IN; Outside Diameter: 1.691 INCHES MAXIMUM IN. 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 6650-01-192-5515 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.