| OVERALL LENGTH | 2.500 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6758,COND C4 MIL SPEC SINGLE MATERIAL RESPONSE |
| MATERIAL | STEEL COMP 4130 |
| NOMINAL THREAD SIZE | 0.250 INCHES NUT THREAD |
| NOMINAL THREAD SIZE | 0.250 INCHES STUD THREAD |
| SPECIAL FEATURES | 0.375 IN. LG 0.245 IN. MIN 0.255 IN. MAX DIA WRENCHING FLAT LOCATED 1.062 IN. FROM STUD ENDS ON TWO OPPOSITE SIDES |
| SHOULDER DIAMETER | 0.312 INCHES NOMINAL |
| SHOULDER LENGTH | 1.937 INCHES MINIMUM AND 1.942 INCHES MAXIMUM |
| STYLE DESIGNATOR | SHOULDERED |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD CLASS | 3A NUT THREAD |
| THREAD CLASS | 3A STUD THREAD |
| THREAD DIRECTION | RIGHT-HAND NUT THREAD |
| THREAD DIRECTION | RIGHT-HAND STUD THREAD |
| THREAD LENGTH | 0.211 INCHES MINIMUM AND 0.231 INCHES MAXIMUM NUT THREAD |
| THREAD LENGTH | 0.211 INCHES MINIMUM AND 0.231 INCHES MAXIMUM STUD THREAD |
| THREAD QUANTITY PER INCH | 28 NUT THREAD |
| THREAD QUANTITY PER INCH | 28 STUD THREAD |
| THREAD SERIES DESIGNATOR | UNF NUT THREAD |
| THREAD SERIES DESIGNATOR | UNF STUD THREAD |