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 |