| 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 |