| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.164 INCHES |
| THREAD QUANTITY PER INCH | 32 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.250 INCHES NOMINAL |
| FASTENER LENGTH | 0.971 INCHES NOMINAL |
| MATERIAL | ALUMINUM ALLOY 6061 RING |
| STEEL COMP 302 SPRING |
| STEEL CORROSION RESISTING FASTENER |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225-8 FED SPEC SINGLE MATERIAL RESPONSE RING |
| QQ-W-423, COND B FED SPEC SINGLE MATERIAL RESPONSE OR |
| ASTM-A-3B ASSN STD SINGLE MATERIAL RESPONSE SPRING |
| AMS5731 ASSN STD SINGLE MATERIAL RESPONSE OR |
| AMS5735 ASSN STD SINGLE MATERIAL RESPONSE OR |
| AMS5736 ASSN STD SINGLE MATERIAL RESPONSE OR |
| AMS5737 ASSN STD SINGLE MATERIAL RESPONSE FASTENER |
| SURFACE TREATMENT | ANODIZE RING |
| PASSIVATE FASTENER |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625, TYPE I, CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE RING |
| QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FASTENER |
| HEAD STYLE | HEXAGON |
| HEAD HEIGHT | 0.162 INCHES NOMINAL |
| WIDTH BETWEEN FLATS | 0.247 INCHES NOMINAL |
| INTERNAL DRIVE STYLE | HEXAGON |
| WIDTH ACROSS FLATS | 0.142 INCHES NOMINAL |