| DISTANCE ACROSS FLATS | 0.250 INCHES NOMINAL |
| OVERALL LENGTH | 1.565 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE |
| MATERIAL | STEEL COMP 303 |
| NOMINAL THREAD SIZE | 0.164 INCHES NUT THREAD0.164 INCHES STUD THREAD |
| SHOULDER LENGTH | 0.111 INCHES NOMINAL |
| SPECIAL FEATURES | UNDER CUT ON STUD END 0.015 IN. WIDE UNDERCUT ON NUT END 0.031 IN. WIDE |
| STYLE DESIGNATOR | SHOULDERED |
| SURFACE FINISH | 16.0 MICROINCHES STUD THD |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD CLASS | 2A NUT THREAD2A STUD THREAD |
| THREAD DIRECTION | RIGHT-HAND NUT THREADRIGHT-HAND STUD THREAD |
| THREAD LENGTH | 0.445 INCHES NOMINAL NUT THREAD0.160 INCHES NOMINAL STUD THREAD |
| THREAD QUANTITY PER INCH | 32 NUT THREAD32 STUD THREAD |
| THREAD SERIES DESIGNATOR | UNC NUT THREADUNC STUD THREAD |