THREAD SERIES DESIGNATOR: UNRC
NOMINAL THREAD DIAMETER: 0.138 INCHES
THREAD QUANTITY PER INCH: 32
THREAD CLASS: 3A
THREAD DIRECTION: RIGHT-HAND
THREAD LENGTH: 0.750 INCHES MINIMUM
FASTENER LENGTH: 0.845 INCHES MINIMUM AND 0.875 INCHES MAXIMUM
MATERIAL: STEEL OVERALL
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416, TYPE 2 CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING: 38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH: 180000 POUNDS PER SQUARE INCH
MINIMUM YIELD STRENGTH: 155000 POUNDS PER SQUARE INCH
HEAD STYLE: C49 FLAT CHAMFER
HEAD DIAMETER: 0.218 INCHES MINIMUM AND 0.226 INCHES MAXIMUM
HEAD HEIGHT: 0.134 INCHES MINIMUM AND 0.138 INCHES MAXIMUM
INTERNAL DRIVE STYLE: D5 HEXAGON
WIDTH ACROSS FLATS: 0.109 INCHES MINIMUM AND 0.111 INCHES MAXIMUM
HOLE CONFIGURATION STYLE: E11 ROUND INTERNAL HEXAGON
HOLE TYPE: DRILLED
HOLE QUANTITY: 2
HOLE DIAMETER: 0.033 INCHES MINIMUM AND 0.039 INCHES MAXIMUM
SPECIFICATION/STANDARD DATA: 80205-NAS1352 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD