FASTENER LENGTH | 0.748 INCHES MINIMUM AND 0.788 INCHES MAXIMUM |
HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
HEAD DIAMETER | 0.671 INCHES MINIMUM AND 0.709 INCHES MAXIMUM |
HEAD HEIGHT | 0.191 INCHES MINIMUM AND 0.215 INCHES MAXIMUM |
HEAD STYLE | PAN |
INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
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 | 0.312 INCHES |
SHOULDER LENGTH | 0.260 INCHES MINIMUM AND 0.270 INCHES MAXIMUM FIRST SHOULDER |
SHOULDER SHAPE | ROUND FIRST SHOULDER |
PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
SHOULDER DIAMETER | 0.371 INCHES MINIMUM AND 0.374 INCHES MAXIMUM FIRST SHOULDER |
SPECIFICATION/STANDARD DATA | 80205-NAS1298 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.395 INCHES MINIMUM AND 0.486 INCHES MAXIMUM |
THREAD SERIES DESIGNATOR | UNJF |
THREAD QUANTITY PER INCH | 24 |