| COLLAR INSIDE DIAMETER | 0.319 INCHES MINIMUM AND 0.325 INCHES MAXIMUM |
| COLLAR OUTSIDE DIAMETER | 0.512 INCHES MINIMUM AND 0.518 INCHES MAXIMUM |
| COLLAR OVERALL HEIGHT | 0.652 INCHES MINIMUM AND 0.672 INCHES MAXIMUM |
| COLLAR STYLE | THREADED (BREAK OFF) TYPE |
| LUBRICATION | SOLID FILM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 5734 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | IRON ALLOY 660 OVERALL |
| NOMINAL THREAD SIZE | 0.312 INCHES |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | SPEC. 258,CAGEC 73197 MFR REF SINGLE TREATMENT RESPONSE WASHER |
| SURFACE TREATMENT | PASSIVATE WASHER |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 24 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |