The Ring,retaining,optical Element, cataloged under National Stock Number 6650-01-273-3152, 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 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6650-01-273-3152 |
| Primary Part Number | 3183205 |
| Item Name | Ring,retaining,optical Element |
| FSC / FSG | 6650 / 66 — Optical Instruments, Test Equipment, Components and Accessories |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Internal Flange Thickness | 0.060 INCHES NOMINAL IN |
| Thread Pitch Diameters | +1.0422 TO 1.0459 INCHES IN |
| Outside Diameter | 1.290 INCHES NOMINAL IN |
| Thread Length | 0.187 INCHES IN |
| Thread Location | INTERNAL |
| Aperture Diameter | 1.063 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Thread Size | 1 1/16-32 |
| Screw Thread Series Designator | UN |
| Thread Class | 3B |
| Material | COPPER ALLOY |
| 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 |
|---|---|
| 3183205 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 3183205 | 5/9 Secondary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
NSN 6650-01-273-3152 is a Ring,retaining,optical Element, manufactured by Naval Sea Systems Command, classified under FSC 6650, Optical Instruments, Test Equipment, Components and Accessories. Status: active.
NSN 6650-01-273-3152 has 1 manufacturer part number on file: 3183205 (Naval Sea Systems Command).
Key specifications for 3183205: Internal Flange Thickness: 0.060 INCHES NOMINAL IN; Thread Pitch Diameters: +1.0422 TO 1.0459 INCHES IN; Overall Length: 0.187 INCHES NOMINAL IN; Outside Diameter: 1.290 INCHES NOMINAL IN. 11 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 6650-01-273-3152 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.