THREAD SERIES DESIGNATOR | UNC |
NOMINAL THREAD DIAMETER | 0.375 INCHES |
THREAD QUANTITY PER INCH | 16 |
THREAD CLASS | 2A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.875 INCHES MAXIMUM |
FASTENER LENGTH | 0.844 INCHES MINIMUM AND |
| 0.875 INCHES MAXIMUM |
MATERIAL | STEEL OVERALL |
MATERIAL DOCUMENT AND CLASSIFICATION | SAE 1010-1020,1035-1045 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
SURFACE TREATMENT | CADMIUM AND |
| CHROMATE OVERALL |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL |
HARDNESS RATING | 30.0 ROCKWELL C MINIMUM AND |
| 37.0 ROCKWELL C MAXIMUM OVERALL |
HEAD STYLE | SQUARE |
HEAD HEIGHT | 0.270 INCHES MINIMUM AND |
| 0.293 INCHES MAXIMUM |
WIDTH BETWEEN FLATS | 0.362 INCHES MINIMUM AND |
| 0.375 INCHES MAXIMUM |
INTERNAL DRIVE STYLE | W/O INTERNAL DRIVE |
POINT STYLE | CUP |
SPEC/STD CONTROLLING DATA | |
MANUFACTURERS CODE | 96906 |
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MS51955-37 |