| DISTANCE FROM SPHERICAL HEAD CENTERLINE TO HEAD END | 0.250 INCHES NOMINAL |
| BODY DIAMETER | 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM |
| BODY LENGTH | 0.100 INCHES NOMINAL |
| HEAD DIAMETER | 0.498 INCHES MINIMUM AND 0.499 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | BS S144 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE |
| MATERIAL | STEEL |
| NECK DIAMETER | 0.300 INCHES MINIMUM AND 0.320 INCHES MAXIMUM |
| NOMINAL THREAD SIZE | 0.3125 INCHES |
| OVERALL LENGTH | 2.010 INCHES NOMINAL |
| SPECIAL FEATURES | 0.875 IN. MAX WD A/F ON BODY |
| STYLE DESIGNATOR | THREADED SHANK BALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | 1514, BRITISH AEROSPACE PLC MFR REF SINGLE TREATMENT RESPONSE |
| SURFACE TREATMENT | CADMIUM |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.440 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 24 |
| THREAD SERIES DESIGNATOR | UNJF |