| FASTENER LENGTH | 0.637 INCHES NOMINAL |
| GRIP LENGTH | 0.312 INCHES NOMINAL |
| HEAD HEIGHT | 0.045 INCHES MINIMUM AND 0.055 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.295 INCHES MINIMUM AND 0.315 INCHES MAXIMUM |
| HEAT TREATMENT | QUENCHED OVERALL |
| LUBRICATION | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5626 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 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 | 0.190 INCHES |
| SHANK DIAMETER | 0.188 INCHES MINIMUM AND 0.190 INCHES MAXIMUM |
| SHEAR STRENGTH | 5380 DOUBLE POUNDS PER SQUARE INCH |
| SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED |
| SPECIAL FEATURES | COLLAR PROVIDED |
| SPECIFICATION/STANDARD DATA | 73197-HL18 MANUFACTURERS STANDARD |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY II CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 32 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |
| WIDTH BETWEEN FLATS | 0.079 INCHES MINIMUM AND 0.081 INCHES MAXIMUM |