EXTENDED WASHER DIAMETER | 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM |
EXTENDED WASHER THICKNESS | 0.040 INCHES MINIMUM AND 0.050 INCHES MAXIMUM |
FASTENER LENGTH | 1.020 INCHES MINIMUM AND 1.040 INCHES MAXIMUM |
HARDNESS RATING | 42.0 ROCKWELL C MINIMUM AND 46.0 ROCKWELL C MAXIMUM OVERALL |
HEAD HEIGHT | 0.250 INCHES MINIMUM AND 0.270 INCHES MAXIMUM |
HEAD STYLE | DOUBLE HEXAGON W/HOLE |
MATERIAL DOCUMENT AND CLASSIFICATION | AMS6304 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
MATERIAL | STEEL COMP 601 OVERALL |
MINIMUM TENSILE STRENGTH | 195000 POUNDS PER SQUARE INCH |
NOMINAL THREAD DIAMETER | 0.250 INCHES |
SHOULDER DIAMETER | 0.2502 INCHES MINIMUM AND 0.2504 INCHES MAXIMUM FIRST SHOULDER |
SHOULDER SHAPE | ROUND FIRST SHOULDER |
SHOULDER LENGTH | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM FIRST SHOULDER |
WIDTH BETWEEN FLATS | 0.243 INCHES MINIMUM AND 0.251 INCHES MAXIMUM |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2424 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
SURFACE TREATMENT | NICKEL OVERALL |
THREAD CLASS | 1A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.415 INCHES MINIMUM AND 0.455 INCHES MAXIMUM |
THREAD QUANTITY PER INCH | 28 |
THREAD SERIES DESIGNATOR | UNF |