| THREAD SERIES DESIGNATOR | UNF |
| THREAD DIRECTION | RIGHT-HAND |
| FASTENER LENGTH | 1.707 INCHES NOMINAL |
| MATERIAL | STEEL CORROSION RESISTING SECONDARY WASHER |
| STEEL CORROSION RESISTING PRIMARY WASHER |
| STEEL CORROSION RESISTING SPRING |
| STEEL CORROSION RESISTING STAND-OFF |
| STEEL CORROSION RESISTING FASTENER |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5059 MIL STD SINGLE MATERIAL RESPONSE SECONDARY WASHER |
| MIL-S-5059 MIL STD SINGLE MATERIAL RESPONSE PRIMARY WASHER |
| QQ-W-423 FED SPEC SINGLE MATERIAL RESPONSE SPRING |
| QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE STAND-OFF |
| ASTM-A-493 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE FASTENER |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYII,CL2 FED SPEC SINGLE TREATMENT RESPONSE SECONDARY WASHER |
| QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE STAND-OFF |
| QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FASTENER |
| HEAD STYLE | KNURLED NO. 5 |
| HEAD DIAMETER | 0.451 INCHES NOMINAL |
| HEAD HEIGHT | 0.520 INCHES NOMINAL |
| INTERNAL DRIVE STYLE | SLOT |
| MATERIAL ACCOMMODATED THICKNESS | 0.218 INCHES MINIMUM AND |
| 0.279 INCHES MAXIMUM |
| SPECIAL FEATURES | SCREW 0.190-32 UNF-3A;ASSEMBLY OF KNOB,SCREW,SPRING,FLAT WASHER, |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | CAPTIVE SCREW ASSEMBLY |