| CENTER HOLE SHAPE STYLE | ROUND |
| CROSS-SECTIONAL SHAPE STYLE | RECTANGULAR |
| HOLE DIAMETER | 0.589 INCHES MINIMUM AND 0.609 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM F436 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| OVERALL DIAMETER | 1.163 INCHES MINIMUM AND 1.186 INCHES MAXIMUM |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | WASH, FLT, INCH, MB, HDN, TAB |
| PERIPHERAL SHAPE STYLE | ROUND |
| SPECIAL FEATURES | FASTENER SHALL BE FREE OF HYDROGEN EMBRITTLEMENT |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | F-100 D60 TYPE 1 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| THICKNESS | 0.074 INCHES MINIMUM AND 0.121 INCHES MAXIMUM |