FASTENER LENGTH | 1.490 INCHES MINIMUM AND 1.510 INCHES MAXIMUM |
HEAD DIAMETER | 1.090 INCHES MINIMUM AND 1.110 INCHES MAXIMUM |
HEAD HEIGHT | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM |
HEAD STYLE | ROUND W/WRENCH FLATS |
MATERIAL | STEEL CORROSION RESISTING OVERALL |
NOMINAL THREAD DIAMETER | 0.500 INCHES |
PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
SHOULDER DIAMETER | 0.495 INCHES MINIMUM AND 0.500 INCHES MAXIMUM FIRST SHOULDER |
SHOULDER DIAMETER | 0.5901 INCHES NOMINAL SECOND SHOULDER |
SHOULDER LENGTH | 0.190 INCHES MINIMUM AND 0.210 INCHES MAXIMUM FIRST SHOULDER |
SHOULDER SHAPE | ROUND ALL SHOULDERS |
SHOULDER LENGTH | 0.290 INCHES MINIMUM AND 0.340 INCHES MAXIMUM SECOND SHOULDER |
SPECIAL FEATURES | SECOND SHOULDER 1 DEGREE ANGLE,RATE OF REDUCTION IN DIA. PER INCH OF LENGTH EQUALS 0.0208 MIN. AND 0.2094 MAX.,UNDER CUT ON UNDERSIDE OD HEAD,DIAMETER 0.890 MIN IN. AND 0.910 MAX IN. AND 0.135 MIN IN. 0.165 MAX IN. LENGTH |
WIDTH BETWEEN FLATS | 0.780 INCHES MINIMUM AND 0.785 INCHES MAXIMUM |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.515 INCHES MINIMUM AND 0.550 INCHES MAXIMUM |
THREAD QUANTITY PER INCH | 20 |
THREAD SERIES DESIGNATOR | UNJS |