| THREAD SERIES DESIGNATOR | UNC | 
| NOMINAL THREAD DIAMETER | 0.164 INCHES | 
| THREAD QUANTITY PER INCH | 32 | 
| THREAD CLASS | 3A | 
| THREAD DIRECTION | RIGHT-HAND | 
| FASTENER LENGTH | 0.302 INCHES MINIMUM AND | 
 | 0.322 INCHES MAXIMUM | 
| MATERIAL | STEEL COMP 4032 OR | 
 | STEEL COMP 4037 OR | 
 | STEEL COMP 4137 OR | 
 | STEEL COMP 4140 OR | 
 | STEEL COMP 8630 OR | 
 | STEEL COMP 8740 OVERALL | 
| MATERIAL DOCUMENT AND CLASSIFICATION | N0.66 FED STD ALL MATERIAL RESPONSES OVERALL | 
| SURFACE TREATMENT | CADMIUM OVERALL | 
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | 
| HARDNESS RATING | 45.0 ROCKWELL C MINIMUM AND | 
 | 53.0 ROCKWELL C MAXIMUM OVERALL | 
| HEAD STYLE | HEADLESS (SETSCREW) | 
| INTERNAL DRIVE STYLE | HEXAGON | 
| WIDTH ACROSS FLATS | 0.078 INCHES MINIMUM AND | 
 | 0.079 INCHES MAXIMUM | 
| LOCKING FEATURE | PELLET OR | 
 | STRIP THREADS | 
| POINT STYLE | FLAT | 
| SPEC/STD CONTROLLING DATA |  | 
| MANUFACTURERS CODE | 96906 | 
| DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MS18065-18 |