The Spacer,optical Element, cataloged under National Stock Number 6650-00-451-1085, 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 Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6650-00-451-1085 |
| Primary Part Number | 7688723 |
| Item Name | Spacer,optical Element |
| FSC / FSG | 6650 / 66 — Optical Instruments, Test Equipment, Components and Accessories |
| Manufacturer | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
| Status | ACTIVE |
| FSC Application Data | PERISCOPE,TANK |
| Body Taper | 30.5 DEGREES MINIMUM |
| Straight Body Portion Width | 0.225 INCHES MINIMUM AND 0.245 INCHES MAXIMUM IN |
| Serration Width | 0.402 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN |
| External Shoulder Depth | 0.047 INCHES NOMINAL IN |
| Style Designator | SPACER |
| Material Document and Classification | QQ-A-225/5,T4 FED SPEC SINGLE MATERIAL RESPONSE |
| Body Minor Taper Diameter | 1.255 INCHES MAXIMUM IN |
| Taper Angle | 21.0 DEGREES NOMINAL |
| External Shoulder Diameter | 1.055 INCHES MINIMUM AND 1.061 INCHES MAXIMUM IN |
| Material | ALUMINUM ALLOY 2011 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 7688723 PRIMARY | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
NSN 6650-00-451-1085 is a Spacer,optical Element, manufactured by Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate, classified under FSC 6650, Optical Instruments, Test Equipment, Components and Accessories. Status: active.
NSN 6650-00-451-1085 has 1 manufacturer part number on file: 7688723 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate).
Key specifications for 7688723: FSC Application Data: PERISCOPE,TANK; Body Taper: 30.5 DEGREES MINIMUM; Straight Body Portion Width: 0.225 INCHES MINIMUM AND 0.245 INCHES MAXIMUM IN; Serration Width: 0.402 INCHES MINIMUM AND 0.406 INCHES MAXIMUM 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.
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.