THREAD SERIES DESIGNATOR | UNJF |
NOMINAL THREAD DIAMETER | 0.190 INCHES |
THREAD QUANTITY PER INCH | 32 |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.323 INCHES NOMINAL |
FASTENER LENGTH | 0.6355 INCHES NOMINAL |
MATERIAL | STEEL COMP H11 OVERALL |
MATERIAL DOCUMENT AND CLASSIFICATION | AMS6487 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL |
SURFACE TREATMENT | ALUMINUM AND |
| CHROMATE OVERALL |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-83488, TYPE II, CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
HARDNESS RATING | 46.0 ROCKWELL C MINIMUM AND |
| 50.0 ROCKWELL C MAXIMUM OVERALL |
MINIMUM TENSILE STRENGTH | 3900 POUNDS PER SQUARE INCH |
HEAD STYLE | FLAT COUNTERSUNK |
HEAD DIAMETER | 0.325 INCHES MINIMUM AND |
| 0.385 INCHES MAXIMUM |
COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND |
| 101.0 DEGREES MAXIMUM |
INTERNAL DRIVE STYLE | OFFSET CRUCIFORM (TORQUE SET) |
SHOULDER SHAPE | ROUND GRIP |
SHOULDER DIAMETER | 0.2041 INCHES MINIMUM AND |
| 0.2051 INCHES MAXIMUM GRIP |
SHOULDER LENGTH | 0.3125 INCHES NOMINAL GRIP |
FEATURES PROVIDED | DRY FILM LUBRICANT |