| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.112 INCHES |
| THREAD QUANTITY PER INCH | 40 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| FASTENER LENGTH | 0.593 INCHES MINIMUM AND |
| 0.625 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 302 OR |
| STEEL COMP 304 PRIMARY WASHER |
| STEEL COMP 302 OR |
| STEEL COMP 304 FASTENER |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5516 ASSN STD 1ST MATERIAL RESPONSE OR |
| AMS 5513 ASSN STD 2ND MATERIAL RESPONSE PRIMARY WASHER |
| QQ-S-763 FED SPEC ALL MATERIAL RESPONSES FASTENER |
| SURFACE TREATMENT | PASSIVATE PRIMARY WASHER |
| PASSIVATE FASTENER |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS 2700, METHOD 1, CLASS 4 ASSN STD SINGLE TREATMENT RESPONSE PRIMARY WASHER |
| AMS 2700, METHOD 1, CLASS 4 ASSN STD SINGLE TREATMENT RESPONSE FASTENER |
| HEAD STYLE | PAN |
| HEAD DIAMETER | 0.205 INCHES MINIMUM AND |
| 0.219 INCHES MAXIMUM |
| HEAD HEIGHT | 0.070 INCHES MINIMUM AND |
| 0.080 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| WASHER QUANTITY | 2 |
| PRIMARY WASHER STYLE | FLAT |
| PRIMARY WASHER OUTSIDE DIAMETER | 0.213 INCHES MINIMUM AND |
| 0.223 INCHES MAXIMUM |
| PRIMARY WASHER MATERIAL THICKNESS | 0.013 INCHES MINIMUM AND |
| 0.019 INCHES MAXIMUM |
| SECONDARY WASHER RELATIONSHIP TO PRIMARY WASHER | NOT IDENTICAL |
| SECONDARY WASHER STYLE | SPLIT HELICAL RING |
| SECONDARY WASHER OUTSIDE DIAMETER | 0.212 INCHES MAXIMUM |
| SECONDARY WASHER MATERIAL THICKNESS | 0.025 INCHES NOMINAL |
| SPECIFICATION/STANDARD DATA | 80205-NAS1301 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |