| MATERIAL | STEEL COMP 4140 OR |
| STEEL COMP 4340 OR |
| STEEL COMP 8740 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS6382 ASSN STD 1ST MATERIAL RESPONSE OR |
| AMS6484 OR 6415 ASSN STD 2ND MATERIAL RESPONSE OR |
| AMS6325 OR 6327 ASSN STD 3RD MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS-QQ-P-416,TY II, CL 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH |
| SHEAR STRENGTH | 108000 SINGLE POUNDS PER SQUARE INCH |
| HEAD STYLE | STRAIGHT PAN |
| HEAD HEIGHT | 0.068 INCHES MINIMUM AND |
| 0.080 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.475 INCHES MINIMUM AND |
| 0.487 INCHES MAXIMUM |
| SHANK STYLE | PIN-RIVET, TAPERED, THREADED |
| FASTENER LENGTH | 0.582 INCHES MINIMUM AND |
| 0.607 INCHES MAXIMUM |
| SHANK DIAMETER | 0.3273 INCHES NOMINAL |
| TIP DIAMETER | 0.3053 INCHES MINIMUM AND |
| 0.3105 INCHES MAXIMUM |
| GRIP LENGTH | 0.302 INCHES MINIMUM AND |
| 0.317 INCHES MAXIMUM |
| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD SIZE | 0.3125 INCHES |
| THREAD CLASS | 3A |
| THREAD QUANTITY PER INCH | 24 |
| THREAD DIRECTION | RIGHT-HAND |
| LUBRICATION | CETYL ALCOHOL |
| SPECIFICATION/STANDARD DATA | 80205-NAS1728 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | FASTENER, SHEAR, PROTRUDING HEAD, TAPERED SHANK (TS), 95 KSI FTU, 108 KSI FSU, 110 KSI FSU, 125 KSI FSU, 132 KSI FSU & 156 KSI FSU |