FASTENER LENGTH | 0.424 INCHES MINIMUM AND 0.464 INCHES MAXIMUM |
HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
HEAD HEIGHT | 0.103 INCHES MINIMUM AND 0.118 INCHES MAXIMUM |
HEAD DIAMETER | 0.361 INCHES MINIMUM AND 0.385 INCHES MAXIMUM |
HEAD STYLE | PAN |
INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
MATERIAL | STEEL COMP 8630 OR STEEL COMP 4037 OVERALL |
MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH |
NOMINAL THREAD DIAMETER | 0.138 INCHES |
SHOULDER DIAMETER | 0.186 INCHES MINIMUM AND 0.189 INCHES MAXIMUM FIRST SHOULDER |
SHOULDER LENGTH | 0.072 INCHES MINIMUM AND 0.082 INCHES MAXIMUM FIRST SHOULDER |
SHOULDER SHAPE | ROUND FIRST SHOULDER |
SPECIFICATION/STANDARD DATA | 80205-NAS1298 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY2 CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.280 INCHES MINIMUM AND 0.371 INCHES MAXIMUM |
THREAD QUANTITY PER INCH | 32 |
THREAD SERIES DESIGNATOR | UNJC |