FASTENER LENGTH | 3.000 INCHES MINIMUM AND 3.095 INCHES MAXIMUM |
HARDNESS RATING | 35.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
HEAD HEIGHT | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM |
HEAD STYLE | HEXAGON |
MATERIAL | STEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 4340 OR STEEL COMP 8630 OR STEEL COMP 4130 OVERALL |
NOMINAL THREAD DIAMETER | 0.375 INCHES |
SHOULDER SHAPE | ROUND FIRST SHOULDER |
SHOULDER DIAMETER | 0.625 INCHES NOMINAL FIRST SHOULDER |
SHOULDER LENGTH | 1.395 INCHES MINIMUM AND 1.405 INCHES MAXIMUM FIRST SHOULDER |
SPECIAL FEATURES | THREAD DIA AND 0.375 DIA ECCENTRIC TO 0.625 SHOULDER BY 0.020 IN. |
WIDTH BETWEEN FLATS | 0.928 INCHES MINIMUM AND 0.940 INCHES MAXIMUM |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
THREAD CLASS | 2A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.483 INCHES MINIMUM AND 0.545 INCHES MAXIMUM |
THREAD QUANTITY PER INCH | 24 |
THREAD SERIES DESIGNATOR | UNF |