| THREAD SERIES DESIGNATOR | UNRC |
| NOMINAL THREAD DIAMETER | 0.0860 INCHES |
| THREAD QUANTITY PER INCH | 56 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.211 INCHES MINIMUM AND |
| 0.241 INCHES MAXIMUM |
| FASTENER LENGTH | 0.283 INCHES MINIMUM AND |
| 0.313 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 303 RING |
| STEEL CORROSION RESISTING FASTENER |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OR |
| AMS5640 ASSN STD SINGLE MATERIAL RESPONSE RING |
| AMS5731 ASSN STD SINGLE MATERIAL RESPONSE OR |
| AMS5737 ASSN STD SINGLE MATERIAL RESPONSE FASTENER |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OR |
| AMS2700 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| HEAD STYLE | FLAT CHAMFER |
| HEAD DIAMETER | 0.134 INCHES MINIMUM AND |
| 0.140 INCHES MAXIMUM |
| HEAD HEIGHT | 0.083 INCHES MINIMUM AND |
| 0.086 INCHES MAXIMUM |
| EXTENDED WASHER DIAMETER | 0.208 INCHES MINIMUM AND |
| 0.218 INCHES MAXIMUM |
| EXTENDED WASHER THICKNESS | 0.018 INCHES MINIMUM AND |
| 0.022 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | HEXAGON |
| WIDTH ACROSS FLATS | 0.078 INCHES NOMINAL |
| FEATURES PROVIDED | WASHER |