| EXTENDED WASHER DIAMETER | 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM |
| EXTENDED WASHER THICKNESS | 0.050 INCHES MINIMUM AND 0.070 INCHES MAXIMUM |
| FASTENER LENGTH | 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM |
| HARDNESS RATING | 35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD HEIGHT | 0.210 INCHES MINIMUM AND 0.230 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON EXTENDED WASHER |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5613 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 410 OVERALL |
| NOMINAL THREAD DIAMETER | 0.190 INCHES |
| SHOULDER DIAMETER | 0.196 INCHES MINIMUM AND 0.202 INCHES MAXIMUM SECOND SHOULDER |
| SHOULDER DIAMETER | 0.302 INCHES MINIMUM AND 0.308 INCHES MAXIMUM FIRST SHOULDER |
| SHOULDER LENGTH | 0.043 INCHES MINIMUM AND 0.057 INCHES MAXIMUM SECOND SHOULDER |
| SHOULDER LENGTH | 0.123 INCHES MINIMUM AND 0.127 INCHES MAXIMUM FIRST SHOULDER |
| SHOULDER SHAPE | ROUND ALL SHOULDERS |
| WIDTH BETWEEN FLATS | 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.435 INCHES MINIMUM AND 0.465 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 32 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |