| THREAD SERIES DESIGNATOR | UNC | 
| NOMINAL THREAD DIAMETER | 0.164 INCHES | 
| THREAD QUANTITY PER INCH | 32 | 
| THREAD CLASS | 3A | 
| THREAD DIRECTION | RIGHT-HAND | 
| THREAD LENGTH | 0.283 INCHES MINIMUM AND | 
|  | 0.375 INCHES MAXIMUM | 
| FASTENER LENGTH | 0.345 INCHES MINIMUM AND | 
|  | 0.375 INCHES MAXIMUM | 
| MATERIAL | PLASTIC POLYAMIDE LOCKING FEATURE | 
|  | STEEL COMP 302 OR | 
|  | STEEL COMP 304 OR | 
|  | STEEL COMP 305 OR | 
|  | STEEL COMP 316 OR | 
|  | STEEL COMP 384 OR | 
|  | STEEL COMP XM-7 FASTENER | 
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A493 ASSN STD ALL MATERIAL RESPONSES FASTENER | 
| SURFACE TREATMENT | PASSIVATE FASTENER | 
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE FASTENER | 
| HARDNESS RATING | 80.0 ROCKWELL B MINIMUM OVERALL | 
| MINIMUM TENSILE STRENGTH | 80000 POUNDS PER SQUARE INCH | 
| MINIMUM YIELD STRENGTH | 30000 POUNDS PER SQUARE INCH | 
| HEAD STYLE | FLAT CHAMFER | 
| HEAD DIAMETER | 0.262 INCHES MINIMUM AND | 
|  | 0.270 INCHES MAXIMUM | 
| HEAD HEIGHT | 0.159 INCHES MINIMUM AND | 
|  | 0.164 INCHES MAXIMUM | 
| INTERNAL DRIVE STYLE | HEXAGON | 
| WIDTH ACROSS FLATS | 0.141 INCHES MINIMUM AND | 
|  | 0.143 INCHES MAXIMUM | 
| LOCKING FEATURE | PATCH OR | 
|  | PELLET OR | 
|  | STRIP THREADS | 
| SPECIFICATION/STANDARD DATA | 80205-NAS1352 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |