| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 1.640 INCHES NOMINAL |
| CRITICALITY CODE JUSTIFICATION | AHYM |
| EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 1 |
| FASTENER LENGTH | 3.260 INCHES NOMINAL |
| FIRST DIAMETER FROM HEAD | 1.069 INCHES MINIMUM AND 1.074 INCHES MAXIMUM |
| HEAD DIAMETER | 1.852 INCHES MINIMUM AND 1.875 INCHES MAXIMUM |
| HEAD HEIGHT | 1.236 INCHES MINIMUM AND 1.250 INCHES MAXIMUM |
| HEAD STYLE | FLAT CHAMFER |
| INTERNAL DRIVE STYLE | HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A193 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| MATERIAL | STEEL COMP 304 OR STEEL COMP 316 OR STEEL COMP 321 OVERALL |
| NOMINAL THREAD DIAMETER | 1.000 INCHES |
| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | AS DIFFERENTIATED BY TAPERED THREADS |
| SPECIAL FEATURES | THREAD DIAMETER BEGINS AT 1.000 INCH WITH TAPER ANGLE OF THREAD TO HEAD 0.004 TO 0.006 INCHES,OPTIONAL HEAD MAY BE KNURLED |
| WIDTH ACROSS FLATS | 0.875 INCHES MINIMUM AND 0.880 INCHES MAXIMUM |
| SURFACE TREATMENT | COPPER OVERALL |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 1.620 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 8 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) |