| FASTENER LENGTH | 0.552 INCHES MINIMUM AND 0.572 INCHES MAXIMUM |
| FEATURES PROVIDED | WASHER |
| GRIP LENGTH | 0.245 INCHES MINIMUM AND 0.255 INCHES MAXIMUM |
| HEAD HEIGHT | 0.055 INCHES MINIMUM AND 0.060 INCHES MAXIMUM |
| HEAD STYLE | FLAT CHAMFER |
| HEAD MAJOR DIAMETER | 0.306 INCHES MINIMUM AND 0.322 INCHES MAXIMUM |
| LUBRICATION | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTMA-582 NATIONAL SPEC SINGLE MATERIAL RESPONSE COLLAR |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTMA-554 NATIONAL SPEC SINGLE MATERIAL RESPONSE WASHER |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5000 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 3RD MATERIAL RESPONSE BOLT |
| MATERIAL | STEEL COMP 302 WASHER |
| MATERIAL | STEEL COMP 4140 OR STEEL COMP 4340 OR STEEL COMP 8740 BOLT |
| MATERIAL | STEEL COMP 303SE COLLAR |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD SIZE | 0.164 INCHES |
| SHANK DIAMETER | 0.162 INCHES MINIMUM AND 0.164 INCHES MAXIMUM |
| SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED |
| SPECIAL FEATURES | OVERSIZE REPLACEMENT HL64PB87-5-4USED HL20PB86-5-4 OR HL420PB86-5-4 |
| SPECIFICATION/STANDARD DATA | 73197-HL20 MANUFACTURERS STANDARD AND 73197-HL86 MANUFACTURERS STANDARD AND 73197-HL64 MANUFACTURERS STANDARD AND 73197-HL87 MANUFACTURERS STANDARD |
| WIDTH BETWEEN FLATS | 0.079 INCHES MINIMUM AND 0.080 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE BOLT |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE COLLAR |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE WASHER |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD CLASS | 3A |
| THREAD SERIES DESIGNATOR | UNJC |