| MATERIAL | STEEL COMP E4340 OR |
| STEEL COMP 4140 OR |
| STEEL COMP 8740 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS6415 ASSN STD 1ST MATERIAL RESPONSE OR |
| AMS6349 ASSN STD 2ND MATERIAL RESPONSE OR |
| AMS-S-6049 ASSN STD 3RD MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM AND |
| CHROMATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416, TY 2, CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH |
| HEAD HEIGHT | 0.178 INCHES MINIMUM AND |
| 0.188 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.735 INCHES MINIMUM AND |
| 0.770 INCHES MAXIMUM |
| SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED |
| FASTENER LENGTH | 2.5425 INCHES MINIMUM AND |
| 2.5625 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.2207 INCHES MINIMUM AND |
| 0.2242 INCHES MAXIMUM |
| SHANK DIAMETER | 0.5141 INCHES MINIMUM AND |
| 0.5151 INCHES MAXIMUM |
| GRIP LENGTH | 1.8075 INCHES MINIMUM AND |
| 1.8225 INCHES MAXIMUM |
| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD SIZE | 0.500 INCHES |
| THREAD CLASS | 3A |
| THREAD QUANTITY PER INCH | 20 |
| THREAD DIRECTION | RIGHT-HAND |
| LUBRICATION | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | PIN PROTRUDING SPECIAL HEAD |