| EXTENDED WASHER DIAMETER | 0.740 INCHES MINIMUM AND 0.750 INCHES MAXIMUM |
| FASTENER LENGTH | 1.840 INCHES MINIMUM AND 1.870 INCHES MAXIMUM |
| HARDNESS RATING | 46.0 ROCKWELL C MINIMUM OVERALL AND 50.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD HEIGHT | 0.435 INCHES NOMINAL |
| HEAD STYLE | DOUBLE HEXAGON W/HOLE |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP H11 OVERALL |
| PROPRIETARY CHARACTERISTICS | PACS |
| MINIMUM TENSILE STRENGTH | 220000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.375 INCHES |
| SHOULDER DIAMETER | 0.436 INCHES MINIMUM FIRST SHOULDER AND 0.437 INCHES MAXIMUM FIRST SHOULDER |
| SHOULDER LENGTH | 1.220 INCHES MINIMUM FIRST SHOULDER AND 1.240 INCHES MAXIMUM FIRST SHOULDER |
| SHOULDER SHAPE | ROUND FIRST SHOULDER |
| WIDTH BETWEEN FLATS | 0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2416 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | NICKEL OVERALL AND CHROMATE OVERALL AND CHROMATE OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.500 INCHES MINIMUM AND 0.600 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 24 |
| THREAD SERIES DESIGNATOR | UNJF |