| THREAD SERIES DESIGNATOR | UNC |
| DISTANCE ACROSS FLATS | 0.250 INCHES NOMINAL |
| DISTANCE FROM SPHERICAL HEAD CENTERLINE TO HEAD END | 0.088 INCHES MINIMUM AND 0.098 INCHES MAXIMUM |
| HEAD DIAMETER | 0.186 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6049 MIL SPEC SINGLE MATERIAL RESPONSE |
| MATERIAL | STEEL COMP 8740 |
| PROPRIETARY CHARACTERISTICS | PACS |
| NECK DIAMETER | 0.151 INCHES MINIMUM AND 0.171 INCHES MAXIMUM |
| NOMINAL THREAD SIZE | 0.138 INCHES |
| OVERALL LENGTH | 0.473 INCHES NOMINAL |
| STYLE DESIGNATOR | BALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY2 CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.222 INCHES MINIMUM AND 0.237 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 32 |