| FASTENER LENGTH | 1.154 INCHES MINIMUM AND 1.184 INCHES MAXIMUM | 
| FEATURES PROVIDED | FINISHED HEAD | 
| GRIP LENGTH | 0.610 INCHES MINIMUM AND 0.640 INCHES MAXIMUM | 
| HEAD HEIGHT | 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM | 
| HEAD STYLE | HEXAGON | 
| HOLE CONFIGURATION STYLE | HEXAGON FLATS | 
| HOLE DIAMETER | 0.046 INCHES MINIMUM AND 0.056 INCHES MAXIMUM | 
| HOLE QUANTITY | 1 | 
| HOLE TYPE | DRILLED | 
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5732 ASSN STD SINGLE MATERIAL RESPONSE  OR AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | 
| MATERIAL | IRON ALLOY 660 OVERALL | 
| MINIMUM TENSILE STRENGTH | 140000 POUNDS PER SQUARE INCH | 
| NOMINAL THREAD DIAMETER | 0.250 INCHES | 
| SPECIFICATION/STANDARD DATA | 80205-NAS1004 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD | 
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | 
| SURFACE TREATMENT | PASSIVATE OVERALL | 
| THREAD CLASS | 3A | 
| THREAD DIRECTION | RIGHT-HAND | 
| THREAD LENGTH | 0.514 INCHES MINIMUM AND 0.574 INCHES MAXIMUM | 
| THREAD QUANTITY PER INCH | 28 | 
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) | 
| WIDTH BETWEEN FLATS | 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM |