| FASTENER LENGTH | 1.823 INCHES MINIMUM AND 1.843 INCHES MAXIMUM | 
| GRIP LENGTH | 1.443 INCHES MAXIMUM | 
| HEAD HEIGHT | 0.059 INCHES MINIMUM AND 0.069 INCHES MAXIMUM | 
| HEAD MAJOR DIAMETER | 0.387 INCHES MINIMUM AND 0.412 INCHES MAXIMUM | 
| LUBRICATION | CETYL ALCOHOL | 
| MATERIAL DOCUMENT AND CLASSIFICATION |  | 
| MATERIAL |  | 
| MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH | 
| NOMINAL THREAD SIZE | 0.250 INCHES | 
| SHANK DIAMETER | 0.2797 INCHES MINIMUM AND 0.2807 INCHES MAXIMUM | 
| SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED | 
| SHEAR STRENGTH | 108000 SINGLE POUNDS PER SQUARE INCH | 
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION |  | 
| SURFACE TREATMENT |  | 
| THREAD CLASS | 3A | 
| THREAD DIRECTION | RIGHT-HAND | 
| THREAD QUANTITY PER INCH | 28 | 
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) | 
| WIDTH BETWEEN FLATS | 0.0947 INCHES MINIMUM AND 0.0967 INCHES MAXIMUM |