| HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| OVERALL LENGTH | 1.175 INCHES MINIMUM AND 1.195 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE |
| MATERIAL | STEEL COMP 8740 |
| NOMINAL THREAD SIZE | 0.250 INCHES STUD THREAD |
| SHOULDER DIAMETER | 0.420 INCHES MINIMUM AND 0.440 INCHES MAXIMUM |
| SHOULDER LENGTH | 0.050 INCHES MINIMUM AND 0.060 INCHES MAXIMUM |
| SPECIAL FEATURES | CHAMFERED 0.020 T0 0.050 IN. BY 45.0 DEG PLUS OR MINUS2.0 DEG 0N STUD ENDCHAMFERED 0.20 TO 0.050 IN. BY45.0 DEG PLUS OR MINUS2.0 DEG ON NUT END |
| STYLE DESIGNATOR | SHOULDERED |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD CLASS | 3A NUT THREAD |
| THREAD DIRECTION | RIGHT-HAND NUT THREAD |
| THREAD DIRECTION | RIGHT-HAND STUD THREAD |
| THREAD LENGTH | 0.570 INCHES MINIMUM AND 0.590 INCHES MAXIMUM STUD THREAD |
| THREAD LENGTH | 0.525 INCHES MINIMUM AND 0.575 INCHES MAXIMUM NUT THREAD |
| THREAD QUANTITY PER INCH | 27 STUD THREAD |
| THREAD PITCH DIAMETERS | +0.2250 TO 0.2274 INCHES STUD THREAD |
| THREAD SERIES DESIGNATOR | UNS STUD THREAD |