| THREAD SERIES DESIGNATOR | UNC | 
| NOMINAL THREAD DIAMETER | 0.112 INCHES | 
| THREAD QUANTITY PER INCH | 40 | 
| THREAD CLASS | 3A | 
| THREAD DIRECTION | RIGHT-HAND | 
| THREAD LENGTH | 0.490 INCHES MINIMUM AND | 
|  | 0.510 INCHES MAXIMUM | 
| FASTENER LENGTH | 0.490 INCHES MINIMUM AND | 
|  | 0.510 INCHES MAXIMUM | 
| MATERIAL | STEEL COMP 4037 OR | 
|  | STEEL COMP 4137 OR | 
|  | STEEL COMP 4140 OR | 
|  | STEEL COMP 8630 OR | 
|  | STEEL COMP 8740 OVERALL | 
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD ALL MATERIAL RESPONSES OVERALL | 
| SURFACE TREATMENT | CADMIUM AND | 
|  | CHROMATE OVERALL | 
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL | 
| HARDNESS RATING | 33.0 ROCKWELL C MINIMUM OVERALL | 
| HEAD STYLE | HEADLESS (SETSCREW) | 
| INTERNAL DRIVE STYLE | HEXAGON | 
| WIDTH ACROSS FLATS | 0.050 INCHES MINIMUM AND | 
|  | 0.051 INCHES MAXIMUM | 
| LOCKING FEATURE | PATCH THREADS | 
| POINT STYLE | FLAT | 
| NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND | 
|  | 1 STYLE | 
| SPEC/STD CONTROLLING DATA |  | 
| MANUFACTURERS CODE | 81348 | 
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | FF-S-200 | 
| MANUFACTURERS CODE | 96906 | 
| DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MS18065-33 |