| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.164 INCHES |
| THREAD QUANTITY PER INCH | 32 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| MATERIAL | STEEL COMP 303 HEAD |
| STEEL COMP 301 SECONDARY WASHER |
| STEEL COMP 302 BEARING SURFACE OF HEAD |
| STEEL COMP 303 SPRING |
| STEEL COMP 304 STAND-OFF |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE HEAD |
| MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE SECONDARY WASHER |
| ASTM A313 ASSN STD SINGLE MATERIAL RESPONSE SPRING |
| MIL-S-23195 MIL SPEC SINGLE MATERIAL RESPONSE STAND-OFF |
| ASTM A493 ASSN STD SINGLE MATERIAL RESPONSE FASTENER |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| HEAD STYLE | KNURLED NO. 5 |
| HEAD DIAMETER | 0.385 INCHES NOMINAL |
| HEAD HEIGHT | 0.495 INCHES NOMINAL |
| INTERNAL DRIVE STYLE | SLOT |
| MATERIAL ACCOMMODATED THICKNESS | 0.020 INCHES MINIMUM AND |
| 0.031 INCHES MAXIMUM |