| FASTENER LENGTH | 2.719 INCHES MINIMUM AND 2.781 INCHES MAXIMUM | 
| FEATURES PROVIDED | FINISHED HEAD | 
| HEAD HEIGHT | 0.195 INCHES MINIMUM AND 0.211 INCHES MAXIMUM | 
| HEAD STYLE | HEXAGON | 
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC 1ST MATERIAL RESPONSE  OR QQ-W-423 FED SPEC 1ST MATERIAL RESPONSE  OR ASTM A582 ASSN STD 2ND MATERIAL RESPONSE  OR QQ-S-763 FED SPEC 3RD MATERIAL RESPONSE  OR QQ-W-423 FED SPEC 3RD MATERIAL RESPONSE  OR QQ-S-763 FED SPEC 4TH MATERIAL RESPONSE  OR QQ-S-763 FED SPEC 5TH MATERIAL RESPONSE  OR QQ-W-423 FED SPEC 5TH MATERIAL RESPONSE  OR QQ-S-763 FED SPEC 6TH MATERIAL RESPONSE  OR QQ-W-423 FED SPEC 6TH MATERIAL RESPONSE OVERALL | 
| MATERIAL | STEEL COMP 302  OR STEEL COMP 303  OR STEEL COMP 304  OR STEEL COMP 305  OR STEEL COMP 310  OR STEEL COMP 316 OVERALL | 
| MINIMUM TENSILE STRENGTH | 75000 POUNDS PER SQUARE INCH | 
| MINIMUM YIELD STRENGTH | 30000 POUNDS PER SQUARE INCH | 
| NOMINAL THREAD DIAMETER | 0.312 INCHES | 
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL | 
| SURFACE TREATMENT | PASSIVATE OVERALL | 
| THREAD CLASS | 2A | 
| THREAD DIRECTION | RIGHT-HAND | 
| THREAD LENGTH | 0.875 INCHES MINIMUM | 
| THREAD QUANTITY PER INCH | 18 | 
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) | 
| WIDTH BETWEEN FLATS | 0.484 INCHES MINIMUM AND 0.500 INCHES MAXIMUM |