| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.112 INCHES |
| THREAD QUANTITY PER INCH | 40 |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.750 INCHES NOMINAL |
| FASTENER LENGTH | 0.750 INCHES NOMINAL |
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | ST0304 MFR REF 1ST MATERIAL RESPONSE AND |
| ST0080 MFR REF 2ND MATERIAL RESPONSE AND |
| ST0305 MFR REF 3RD MATERIAL RESPONSE AND |
| ST0316 MFR REF 4TH MATERIAL RESPONSE AND |
| ST0082 MFR REF 5TH MATERIAL RESPONSE OR |
| ST0430 MFR REF ALL MATERIAL RESPONSES OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC 1ST TREATMENT RESPONSE OVERALL |
| MINIMUM TENSILE STRENGTH | 480000 POUNDS PER SQUARE INCH |
| MINIMUM YIELD STRENGTH | 30000 POUNDS PER SQUARE INCH |
| HEAD STYLE | KNURLED NO. 1 |
| HEAD DIAMETER | 0.134 INCHES MINIMUM AND |
| 0.140 INCHES MAXIMUM |
| HEAD HEIGHT | 0.083 INCHES MINIMUM AND |
| 0.086 INCHES MAXIMUM |
| INTERNAL DRIVE STYLE | HEXAGON |
| WIDTH ACROSS FLATS | 0.0781 INCHES MINIMUM AND |
| 0.0791 INCHES MAXIMUM |
| SPECIAL FEATURES | HEAD STYLE MANUFACTURERS OPTION PLAIN OR KNURLED |
| SPEC/STD CONTROLLING DATA | |
| MANUFACTURERS CODE | 81348 |
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | FF-S-86 |