| EXTENDED WASHER THICKNESS | 0.211 INCHES NOMINAL | 
| EXTENDED WASHER DIAMETER | 1.635 INCHES MINIMUM AND 1.645 INCHES MAXIMUM | 
| FASTENER LENGTH | 7.235 INCHES MINIMUM AND 7.265 INCHES MAXIMUM | 
| GRIP DIAMETER | 0.8730 INCHES MINIMUM AND 0.8740 INCHES MAXIMUM | 
| GRIP LENGTH | 5.740 INCHES MINIMUM AND 5.760 INCHES MAXIMUM | 
| HARDNESS RATING | 46.0 ROCKWELL C MINIMUM  AND 50.0 ROCKWELL C MAXIMUM OVERALL | 
| HEAD HEIGHT | 0.965 INCHES NOMINAL | 
| HEAD STYLE | DOUBLE HEXAGON W/HOLE | 
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | 
| MATERIAL | STEEL COMP H11 OVERALL | 
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT | 
| PROPRIETARY CHARACTERISTICS | MRCS | 
| MINIMUM TENSILE STRENGTH | 220000 POUNDS PER SQUARE INCH | 
| NOMINAL THREAD DIAMETER | 0.875 INCHES | 
| WIDTH BETWEEN FLATS | 1.115 INCHES MINIMUM AND 1.127 INCHES MAXIMUM | 
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TYPE 2 CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | 
| SURFACE TREATMENT | CADMIUM  AND CHROMATE OVERALL | 
| THREAD CLASS | 3A | 
| THREAD DIRECTION | RIGHT-HAND | 
| THREAD LENGTH | 1.475 INCHES MINIMUM AND 1.525 INCHES MAXIMUM | 
| THREAD QUANTITY PER INCH | 14 | 
| THREAD SERIES DESIGNATOR | UNJF |