THREAD SERIES DESIGNATOR | UNC |
NOMINAL THREAD DIAMETER | 0.3125 INCHES |
THREAD QUANTITY PER INCH | 18 |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.470 INCHES MINIMUM AND |
| 0.500 INCHES MAXIMUM |
FASTENER LENGTH | 0.470 INCHES MINIMUM AND |
| 0.500 INCHES MAXIMUM |
MATERIAL | STEEL COMP 316 OR |
| STEEL COMP 316L OVERALL |
MATERIAL DOCUMENT AND CLASSIFICATION | ASTM F 593 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE OVERALL |
SURFACE TREATMENT | PASSIVATE OVERALL |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
HARDNESS RATING | 80.0 ROCKWELL B MINIMUM OVERALL |
MINIMUM TENSILE STRENGTH | 80000 POUNDS PER SQUARE INCH |
MINIMUM YIELD STRENGTH | 30000 POUNDS PER SQUARE INCH |
HEAD STYLE | FLAT CHAMFER |
HEAD DIAMETER | 0.457 INCHES MINIMUM AND |
| 0.469 INCHES MAXIMUM |
HEAD HEIGHT | 0.306 INCHES MINIMUM AND |
| 0.313 INCHES MAXIMUM |
CHAMFER ANGLE | 30.0 DEGREES MINIMUM AND |
| 45.0 DEGREES MAXIMUM |
INTERNAL DRIVE STYLE | HEXAGON |
WIDTH ACROSS FLATS | 0.250 INCHES MINIMUM AND |
| 0.253 INCHES MAXIMUM |
SPECIFICATION/STANDARD DATA | 80205-NASM16995 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW,CAP,SOCKET HEAD |