EXTENDED WASHER DIAMETER | 0.437 INCHES NOMINAL |
EXTENDED WASHER THICKNESS | 0.025 INCHES MINIMUM AND 0.030 INCHES MAXIMUM |
FASTENER LENGTH | 1.690 INCHES MINIMUM AND 1.750 INCHES MAXIMUM |
HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
HEAD HEIGHT | 0.089 INCHES MINIMUM AND 0.099 INCHES MAXIMUM |
HEAD DIAMETER | 0.375 INCHES NOMINAL |
HEAD STYLE | ROUND EXTENDED WASHER |
INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
LOCKING FEATURE | STRIP THREADS |
MATERIAL DOCUMENT AND CLASSIFICATION | AMS6300 ASSN STD 1ST MATERIAL RESPONSE OR MIL-S-6050 MIL SPEC 2ND MATERIAL RESPONSE OVERALL |
MATERIAL | STEEL COMP 4037 OR STEEL COMP 8630 OVERALL |
MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH |
NOMINAL THREAD DIAMETER | 0.190 INCHES |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY2,CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.350 INCHES MINIMUM AND 0.410 INCHES MAXIMUM |
THREAD QUANTITY PER INCH | 32 |
THREAD SERIES DESIGNATOR | UNJF |