| DISTANCE ACROSS FLATS | 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM |
| OVERALL LENGTH | 2.870 INCHES MINIMUM AND 2.950 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5637 ASSN STD SINGLE MATERIAL RESPONSE |
| MATERIAL | STEEL |
| NOMINAL THREAD SIZE | 0.250 INCHES NUT THREAD |
| NOMINAL THREAD SIZE | 0.250 INCHES STUD THREAD |
| NUT END SHANK DIAMETER | 0.246 INCHES MINIMUM AND 0.249 INCHES MAXIMUM |
| SHOULDER LENGTH | 0.170 INCHES MINIMUM AND 0.190 INCHES MAXIMUM |
| SPECIAL FEATURES | ONE HOLE IN SHOULDER 0.070 DIA THRU CSK TO 0.090 IN MIN AND 0.110 IN MAX DIA BOTH ENDS |
| STYLE DESIGNATOR | SHOULDERED |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2410 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | SILVER 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 | 0.700 INCHES MINIMUM AND 0.740 INCHES MAXIMUM NUT THREAD |
| THREAD LENGTH | 0.520 INCHES MINIMUM AND 0.560 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 |