| NAVAL SHIP SYSTEMS COMMAND | 80064 |
| ELECTRIC BOAT CORPORATION | 96169 |
| NAVAL INVENTORY CONTROL POINT MECHANICSBURG | 3950 |
| HOLE DIAMETER | 5.750 INCHES NOMINAL |
| OUTSIDE DIAMETER | 6.937 INCHES NOMINAL |
| OVERALL HEIGHT | 0.270 INCHES NOMINAL |
| MATERIAL THICKNESS | 0.107 INCHES MINIMUM AND 0.113 INCHES MAXIMUM |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
| MATERIAL | COPPER ALLOY 170 AND COPPER ALLOY 172 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-C-533 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| STYLE DESIGNATOR | SPRING TENSION |
| A bent spring metal washer with a centrally located hole. It is designed to exert pressure axially when assembled in place. |
