| FASTENER LENGTH | 1.515 INCHES MINIMUM AND 1.515 INCHES MINIMUM AND 1.562 INCHES MAXIMUM1.562 INCHES MAXIMUM |
| FEATURES PROVIDED | FINISHED HEADFINISHED HEAD |
| GRIP LENGTH | 0.030 INCHES MINIMUM AND 0.030 INCHES MINIMUM AND 0.060 INCHES MAXIMUM0.060 INCHES MAXIMUM |
| HARDNESS RATING | 36.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL40.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD HEIGHT | 0.219 INCHES NOMINAL0.219 INCHES NOMINAL |
| HEAD STYLE | HEXAGONHEXAGON |
| HOLE CONFIGURATION STYLE | HEXAGON CORNERSHEXAGON CORNERS |
| HOLE DIAMETER | 0.070 INCHES MINIMUM AND 0.070 INCHES MINIMUM AND 0.080 INCHES MAXIMUM0.080 INCHES MAXIMUM |
| HOLE QUANTITY | 33 |
| HOLE TYPE | DRILLEDDRILLED |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALLAMS5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | IRON ALLOY 660 OVERALLIRON ALLOY 660 OVERALL |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH160000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.250 INCHES0.250 INCHES |
| SPECIFICATION/STANDARD DATA | 80205-NAS564 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD80205-NAS564 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALLQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALLPASSIVATE OVERALL |
| THREAD CLASS | 3A3A |
| THREAD DIRECTION | RIGHT-HANDRIGHT-HAND |
| THREAD LENGTH | 1.455 INCHES MINIMUM AND 1.455 INCHES MINIMUM AND 1.532 INCHES MAXIMUM1.532 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 2828 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF)UNIFIED NATIONAL JOINT FINE (UNJF) |
| WIDTH BETWEEN FLATS | 0.428 INCHES MINIMUM AND 0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM0.440 INCHES MAXIMUM |