THREAD SERIES DESIGNATOR | UNF |
NOMINAL THREAD DIAMETER | 0.375 INCHES |
THREAD QUANTITY PER INCH | 24 |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.493 INCHES MINIMUM AND |
| 0.513 INCHES MAXIMUM |
FASTENER LENGTH | 2.020 INCHES MINIMUM AND |
| 2.040 INCHES MAXIMUM |
MATERIAL | STEEL COMP 8740 OVERALL |
SURFACE TREATMENT | CADMIUM OVERALL |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
HARDNESS RATING | 34.0 ROCKWELL C MINIMUM AND |
| 40.0 ROCKWELL C MAXIMUM OVERALL |
HEAD STYLE | DRIVE |
HEAD DIAMETER | 0.690 INCHES NOMINAL |
HEAD HEIGHT | 0.090 INCHES NOMINAL |
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 5 |
FIRST DIAMETER FROM HEAD | 0.381 INCHES MINIMUM AND |
| 0.385 INCHES MAXIMUM |
SECOND DIAMETER FROM HEAD | 0.305 INCHES MINIMUM AND |
| 0.315 INCHES MAXIMUM |
THIRD DIAMETER FROM HEAD | 0.381 INCHES MINIMUM AND |
| 0.385 INCHES MAXIMUM |
FOURTH DIAMETER FROM HEAD | 0.305 INCHES MINIMUM AND |
| 0.315 INCHES MAXIMUM |
FIFTH DIAMETER FROM HEAD | 0.381 INCHES MINIMUM AND |
| 0.385 INCHES MAXIMUM |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.300 INCHES MINIMUM AND |
| 0.440 INCHES MAXIMUM |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 0.600 INCHES MINIMUM AND |
| 0.620 INCHES MAXIMUM |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER | 0.670 INCHES MINIMUM AND |
| 0.690 INCHES MAXIMUM |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FOURTH DIAMETER | 1.270 INCHES MINIMUM AND |
| 1.290 INCHES MAXIMUM |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIFTH DIAMETER | 1.507 INCHES MINIMUM AND |
| 1.547 INCHES MAXIMUM |
THE MANUFACTURERS DATA | |
MANUFACTURERS CODE | 00198 |
DESIGN CONTROL REFERENCE | 115528 |