| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.164 INCHES |
| THREAD QUANTITY PER INCH | 32 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.250 INCHES NOMINAL |
| FASTENER LENGTH | 0.512 INCHES NOMINAL |
| MATERIAL | STEEL COMP 420 PRIMARY WASHER |
| STEEL COMP 304 STAND-OFF |
| STEEL CORROSION RESISTING FASTENER |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE STAND-OFF |
| AMS5735 ASSN STD SINGLE MATERIAL RESPONSE OR |
| AMS5736 ASSN STD SINGLE MATERIAL RESPONSE OR |
| AMS5737 ASSN STD SINGLE MATERIAL RESPONSE FASTENER |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| HEAD STYLE | FILLISTER |
| HEAD DIAMETER | 0.304 INCHES MINIMUM AND |
| 0.324 INCHES MAXIMUM |
| HEAD HEIGHT | 0.100 INCHES MINIMUM AND |
| 0.120 INCHES MAXIMUM |
| MATERIAL ACCOMMODATED THICKNESS | 0.141 INCHES MINIMUM AND |
| 0.203 INCHES MAXIMUM |
| SPECIAL FEATURES | SELECTED ITEM |
| SPEC/STD CONTROLLING DATA | |
| MANUFACTURERS CODE | 48306 |
| MFR SOURCE CONTROLLING REFERENCE | 583R580 |