| FASTENER LENGTH | 1.625 INCHES NOMINAL |
| GRIP LENGTH | 2.260 INCHES NOMINAL |
| HEAD HEIGHT | 0.150 INCHES MINIMUM AND 0.160 INCHES MAXIMUM |
| HEAD STYLE | STRAIGHT PAN |
| HEAD MAJOR DIAMETER | 0.592 INCHES MINIMUM AND 0.627 INCHES MAXIMUM |
| LUBRICATION | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6415 ASSN STD 1ST MATERIAL RESPONSE OR AMS 6382 ASSN STD 1ST MATERIAL RESPONSE OR AMS 6322 ASSN STD 3RD MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 4340 OR STEEL COMP 4140 OR STEEL COMP 8740 OVERALL |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD SIZE | 0.4375 INCHES |
| SHANK DIAMETER | 0.436 INCHES MINIMUM AND 0.437 INCHES MAXIMUM |
| SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED |
| WIDTH BETWEEN FLATS | 0.1895 INCHES MINIMUM AND 0.1930 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS-QQ-P-416, TYPE II, CLASS 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
| THREAD CLASS | 3A |
| THREAD QUANTITY PER INCH | 20 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |