| EXTENDED WASHER DIAMETER | 0.375 INCHES NOMINAL | 
| EXTENDED WASHER THICKNESS | 0.040 INCHES MINIMUM AND 0.050 INCHES MAXIMUM | 
| FASTENER LENGTH | 0.481 INCHES MINIMUM AND 0.501 INCHES MAXIMUM | 
| FEATURES PROVIDED | FINISHED HEAD | 
| GRIP LENGTH | 0.070 INCHES MINIMUM AND 0.100 INCHES MAXIMUM | 
| HARDNESS RATING | 32.0 ROCKWELL C MINIMUM  AND 36.0 ROCKWELL C MAXIMUM OVERALL | 
| HEAD HEIGHT | 0.260 INCHES NOMINAL | 
| HEAD STYLE | DOUBLE HEXAGON W/HOLE | 
| HOLE CONFIGURATION STYLE | DOUBLE HEXAGON LONGITUDINAL HOLE | 
| HOLE DIAMETER | 0.042 INCHES NOMINAL | 
| HOLE QUANTITY | 4 | 
| HOLE TYPE | DRILLED | 
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6304 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | 
| MATERIAL | STEEL COMP 601 OVERALL | 
| NOMINAL THREAD DIAMETER | 0.190 INCHES | 
| NONSTANDARD THREAD PITCH DIAMETER | +0.1644 TO 0.1667 INCHES | 
| SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD | 
| SURFACE FINISH | 32.0 MICROINCHES THREADS | 
| SURFACE FINISH | 63.0 MICROINCHES GRIP | 
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | +16TE3E CL A FSCM 92215 MFR REF 1ST TREATMENT RESPONSE  OR MS 2403 ASSN STD 2ND TREATMENT RESPONSE OVERALL | 
| SURFACE TREATMENT | NICKEL OVERALL | 
| THREAD DIRECTION | RIGHT-HAND | 
| THREAD LENGTH | 0.381 INCHES MINIMUM AND 0.431 INCHES MAXIMUM | 
| THREAD QUANTITY PER INCH | 32 | 
| THREAD SERIES DESIGNATOR | UNS | 
| WIDTH BETWEEN FLATS | 0.243 INCHES MINIMUM AND 0.251 INCHES MAXIMUM |