| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.164 INCHES |
| THREAD QUANTITY PER INCH | 32 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.407 INCHES MINIMUM AND |
| 0.500 INCHES MAXIMUM |
| FASTENER LENGTH | 0.469 INCHES MINIMUM AND |
| 0.500 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 1020 OR |
| RUBBER SYNTHETIC PRIMARY WASHER |
| STEEL COMP 1010 FASTENER |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-7952 MIL SPEC 1ST MATERIAL RESPONSE OR |
| AMS 3208 ASSN STD 2ND MATERIAL RESPONSE PRIMARY WASHER |
| ASTM A108 ASSN STD SINGLE MATERIAL RESPONSE FASTENER |
| SURFACE TREATMENT | CADMIUM AND |
| CHROMATE OVERALL |
| PAINT PRIMARY WASHER |
| PAINT SIDES OF HEAD |
| PAINT TOP OF HEAD |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL2 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| 595,N0. 3655 FED STD SINGLE TREATMENT RESPONSE PRIMARY WASHER |
| 595,N0. 36555 FED STD SINGLE TREATMENT RESPONSE SIDES OF HEAD |
| 595,N0. 36555 FED STD SINGLE TREATMENT RESPONSE TOP OF HEAD |
| HEAD STYLE | ROUND |
| HEAD DIAMETER | 0.299 INCHES MINIMUM AND |
| 0.309 INCHES MAXIMUM |
| HEAD HEIGHT | 0.110 INCHES MINIMUM AND |
| 0.120 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| WASHER QUANTITY | 1 |
| PRIMARY WASHER STYLE | FLAT |
| PRIMARY WASHER OUTSIDE DIAMETER | 0.392 INCHES MINIMUM |
| PRIMARY WASHER MATERIAL THICKNESS | 0.109 INCHES MINIMUM |
| THE MANUFACTURERS DATA | |
| MANUFACTURERS CODE | 96655 |
| DESIGN CONTROL REFERENCE | 3675-8R8-3520L |