| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.1640 INCHES |
| THREAD QUANTITY PER INCH | 32 |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.031 INCHES MINIMUM AND |
| 0.062 INCHES MAXIMUM |
| FASTENER LENGTH | 0.597 INCHES NOMINAL |
| MATERIAL | STEEL CORROSION RESISTING WASHER |
| STEEL COMP 304 LOCKING FEATURE |
| STEEL CORROSION RESISTING FASTENER |
| MATERIAL DOCUMENT AND CLASSIFICATION | MS35338 MIL STD SINGLE MATERIAL RESPONSE WASHER |
| AMS-QQ-S-763 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OR |
| ASTM-A-580 ASSN STD SINGLE MATERIAL RESPONSE LOCKING FEATURE |
| 300 SERIES PER ASTM-A-493 ASSN STD SINGLE MATERIAL RESPONSE OR |
| AMS-QQ-S-763 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE FASTENER |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS-QQ-P-35 NATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL |
| HEAD STYLE | FILLISTER |
| HEAD DIAMETER | 0.314 INCHES NOMINAL |
| HEAD HEIGHT | 0.115 INCHES NOMINAL |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE II |
| MATERIAL ACCOMMODATED THICKNESS | 0.031 INCHES MINIMUM AND |
| 0.062 INCHES MAXIMUM |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | CAPTIVE SCREW,LOW PROFILE,LOCK WASHER,ALL SIZES,ASSEMBLY |