THREAD SERIES DESIGNATOR | UNF |
NOMINAL THREAD DIAMETER | 0.250 INCHES |
THREAD QUANTITY PER INCH | 28 |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 1.035 INCHES MINIMUM AND |
| 1.082 INCHES MAXIMUM |
FASTENER LENGTH | 1.265 INCHES MINIMUM AND |
| 1.312 INCHES MAXIMUM |
MATERIAL | STEEL OVERALL |
MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626 MIL SPEC SINGLE MATERIAL RESPONSE OR |
| MIL-S-6049 MIL SPEC SINGLE MATERIAL RESPONSE OR |
| MIL-S-6050 MIL SPEC SINGLE MATERIAL RESPONSE OR |
| MIL-S-6098 MIL SPEC SINGLE MATERIAL RESPONSE OR |
| MIL-S-6758 MIL SPEC SINGLE MATERIAL RESPONSE OR |
| AMS 6300 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
SURFACE TREATMENT | CADMIUM OVERALL |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND |
| 40.0 ROCKWELL C MAXIMUM OVERALL |
HEAD STYLE | HEXAGON |
HEAD HEIGHT | 0.219 INCHES NOMINAL |
WIDTH BETWEEN FLATS | 0.428 INCHES MINIMUM AND |
| 0.440 INCHES MAXIMUM |
HOLE CONFIGURATION STYLE | HEXAGON CORNERS |
HOLE TYPE | DRILLED |
HOLE QUANTITY | 3 |
HOLE DIAMETER | 0.070 INCHES NOMINAL |
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 |
FIRST DIAMETER FROM HEAD | 0.190 INCHES MINIMUM AND |
| 0.210 INCHES MAXIMUM |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.230 INCHES NOMINAL |
THE MANUFACTURERS DATA | |
MANUFACTURERS CODE | 23296 |
DESIGN CONTROL REFERENCE | 74201284-1 |