| HARDNESS RATING | 171.0 BRINELL STANDARD MINIMUM |
| HEAD DIAMETER | 0.361 INCHES MINIMUM AND 0.391 INCHES MAXIMUM |
| HEAD LENGTH | 0.150 INCHES MAXIMUM |
| LOCKING FEATURE | SELF-CLINCHING HEAD |
| OVERALL LENGTH | 0.985 INCHES MINIMUM AND 1.015 INCHES MAXIMUM |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A493 ASSN STD 1ST MATERIAL RESPONSE OR ASTM A582/A582M ASSN STD 2ND MATERIAL RESPONSE OR ASTM A582/A582M ASSN STD 3RD MATERIAL RESPONSE |
| MATERIAL | STEEL CORROSION RESISTING OR STEEL COMP 303 OR STEEL COMP 303SE |
| NOMINAL THREAD SIZE | 0.313 INCHES NUT THREAD |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | STUD,SELF-LOCKING,FLUSH HEAD,RIBBED CLINCH TYPE |
| SPECIFICATION/STANDARD DATA | 80205-NAS-63540/1 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| STYLE DESIGNATOR | SELF-LOCKING |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | CLEANED,DESCALED AND PASSIVATED IAW ASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD CLASS | 2A NUT THREAD |
| THREAD DIRECTION | RIGHT-HAND NUT THREAD |
| THREAD LENGTH | 0.850 INCHES NOMINAL NUT THREAD |
| THREAD QUANTITY PER INCH | 18 NUT THREAD |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) NUT THREAD |