| FASTENER LENGTH | 1.496 INCHES MINIMUM AND 1.526 INCHES MAXIMUM |
| GRIP DIAMETER | 0.1885 INCHES MINIMUM AND 1.1895 INCHES MAXIMUM |
| GRIP LENGTH | 1.188 INCHES MINIMUM AND 1.198 INCHES MAXIMUM |
| HEAD HEIGHT | 0.110 INCHES MINIMUM AND 0.125 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT, TENSION, HEX HEAD, CLOSE TOLERANCE, ALLOY STEEL, SHORT THREAD, REDUCED MAJOR THREAD DIA, SELF-LOCKING AND NONLOCKING, 160 KSI FTU |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS6349ORAMS6382 NATIONAL STD/SPEC 1ST MATERIAL RESPONSE OR AMS6415ORAMS6484 NATIONAL STD/SPEC 2ND MATERIAL RESPONSE OR AMS6322, AMS6325 OR AMS6327 NATIONAL STD/SPEC 3RD MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 4140 OR STEEL COMP 4340 OR STEEL COMP 8740 OVERALL |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.1900 INCHES |
| SPECIAL FEATURES | LOCKING ELEMENT OPTIONAL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.323 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 32 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |
| WIDTH BETWEEN FLATS | 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM |
| SPECIFICATION/STANDARD DATA | NAS6203 THRU NAS6220 NATIONAL STD/SPEC |