THREAD SERIES DESIGNATOR | UNF |
NOMINAL THREAD DIAMETER | 0.500 INCHES |
THREAD QUANTITY PER INCH | 20 |
THREAD CLASS | 2A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.875 INCHES MAXIMUM |
FASTENER LENGTH | 2.781 INCHES NOMINAL |
MATERIAL | STEEL OVERALL |
MATERIAL DOCUMENT AND CLASSIFICATION | SAE J403 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
SURFACE TREATMENT | CADMIUM OVERALL |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
HARDNESS RATING | 32.0 ROCKWELL C MINIMUM AND |
| 36.0 ROCKWELL C MAXIMUM OVERALL |
HEAD STYLE | FLAT CHAMFER |
HEAD DIAMETER | 0.875 INCHES NOMINAL |
HEAD HEIGHT | 0.219 INCHES NOMINAL |
SHOULDER SHAPE | RIBBED FIRST SHOULDER |
SHOULDER DIAMETER | 0.603 INCHES MINIMUM AND |
| 0.606 INCHES MAXIMUM FIRST SHOULDER |
SHOULDER LENGTH | 1.656 INCHES NOMINAL FIRST SHOULDER |
RIB MAJOR DIAMETER | 0.615 INCHES MINIMUM AND |
| 0.625 INCHES MAXIMUM |
RIB LENGTH | 0.625 INCHES NOMINAL |
DISTANCE FROM LARGEST DIAMETER OF BEARING SURFACE OF HEAD TO RIBS | 0.063 INCHES NOMINAL |
THE MANUFACTURERS DATA | |
MANUFACTURERS CODE | 79343 |
DESIGN CONTROL REFERENCE | 00801-2456 |