| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| FASTENER LENGTH | 0.579 INCHES MINIMUM AND 0.624 INCHES MAXIMUM |
| HEAD DIAMETER | 0.323 INCHES MINIMUM AND 0.334 INCHES MAXIMUM |
| HEAD STYLE | FLAT COUNTERSUNK |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| MATERIAL ACCOMMODATED THICKNESS | 0.222 INCHES MINIMUM AND 0.226 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 3652 ASSN STD SINGLE MATERIAL RESPONSE PRIMARY WASHER |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A304 ASSN STD SINGLE MATERIAL RESPONSE FASTENER |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-P-25732 MIL SPEC SINGLE MATERIAL RESPONSE RING |
| MATERIAL | RUBBER NATURAL RING |
| MATERIAL | PLASTIC POLYTETRAFLUOROETHYLENE PRIMARY WASHER |
| MATERIAL | STEEL COMP 8740H OR STEEL COMP 4037H FASTENER |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.138 INCHES |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 3 FED SPEC SINGLE TREATMENT RESPONSE FASTENER |
| SURFACE TREATMENT | CADMIUM AND CHROMATE FASTENER |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.441 INCHES MINIMUM AND 0.488 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 32 |
| THREAD SERIES DESIGNATOR | UNC |