| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD DIAMETER | 0.1900 INCHES |
| THREAD QUANTITY PER INCH | 32 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.450 INCHES MINIMUM AND |
| 0.490 INCHES MAXIMUM |
| FASTENER LENGTH | 0.470 INCHES MINIMUM AND |
| 0.510 INCHES MAXIMUM |
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A 582 ASSN STD SINGLE MATERIAL RESPONSE OR |
| AMS5640 ASSN STD SINGLE MATERIAL RESPONSE RING |
| ASTM A 313 ASSN STD SINGLE MATERIAL RESPONSE SPRING |
| AMS5731 ASSN STD SINGLE MATERIAL RESPONSE OR |
| AMS5732 ASSN STD SINGLE MATERIAL RESPONSE OR |
| AMS5737 ASSN STD SINGLE MATERIAL RESPONSE FASTENER |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS-QQ-P-35 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| HEAD STYLE | HEXAGON |
| HEAD HEIGHT | 0.200 INCHES MINIMUM AND |
| 0.240 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.437 INCHES NOMINAL |
| INTERNAL DRIVE STYLE | HEXAGON |