| DISTANCE FROM COTTER PIN HOLE CENTERLINE TO NUT END | 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM FIRST HOLE |
| COTTER PIN HOLE DIAMETER | 0.066 INCHES MINIMUM AND 0.086 INCHES MAXIMUM FIRST HOLE |
| HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| OVERALL LENGTH | 1.970 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6322 ASSN STD 1ST MATERIAL RESPONSE OR AMS 6320 ASSN STD 2ND MATERIAL RESPONSE |
| MATERIAL | STEEL COMP 8740 OR STEEL COMP 8735 |
| NOMINAL THREAD SIZE | 0.250 INCHES NUT THREAD |
| NOMINAL THREAD SIZE | 0.250 INCHES STUD THREAD |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD CLASS | 3A NUT THREAD |
| THREAD DIRECTION | RIGHT-HAND NUT THREAD |
| THREAD DIRECTION | RIGHT-HAND STUD THREAD |
| THREAD LENGTH | 0.469 INCHES MINIMUM NUT THREAD |
| THREAD LENGTH | 0.530 INCHES MINIMUM STUD THREAD |
| THREAD PITCH DIAMETERS | +0.2278 TO 0.2293 INCHES STUD THREAD |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) NUT THREAD |
| THREAD SERIES DESIGNATOR | UNS STUD THREAD |
| THREAD QUANTITY PER INCH | 20 STUD THREAD |
| THREAD QUANTITY PER INCH | 28 NUT THREAD |