COUNTERSINK ANGLE | 100.0 DEGREES NOMINAL |
FASTENER LENGTH | 1.070 INCHES MINIMUM AND 1.090 INCHES MAXIMUM |
GRIP LENGTH | 0.693 INCHES MAXIMUM |
HEAD HEIGHT | 0.1098 INCHES MAXIMUM |
HEAD MAJOR DIAMETER | 0.5066 INCHES MAXIMUM |
HEAD STYLE | COUNTERSUNK W/REVERSE CHAMFER |
LUBRICATION | DRY FILM AND CETYL ALCOHOL |
MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
MATERIAL | STEEL COMP XM-13 OVERALL |
NOMINAL THREAD SIZE | 0.250 INCHES |
SHANK DIAMETER | 0.2802 INCHES MINIMUM AND 0.2807 INCHES MAXIMUM |
SHEAR STRENGTH | 125000 SINGLE POUNDS PER SQUARE INCH |
SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED |
SPECIAL FEATURES | THREAD MODIFIED TO MC AIR 0.250-20 UNJF-3A |
WIDTH BETWEEN FLATS | 0.0947 INCHES MINIMUM AND 0.0967 INCHES MAXIMUM |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
SURFACE TREATMENT | PASSIVATE OVERALL |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD QUANTITY PER INCH | 20 |
THREAD SERIES DESIGNATOR | UNJC |