THREAD DIRECTION | RIGHT-HAND |
FASTENER LENGTH | 1.406 INCHES MINIMUM AND |
| 1.453 INCHES MAXIMUM |
MATERIAL | STEEL COMP 4140 OR |
| STEEL COMP 8740 OR |
| STEEL COMP 8630 OR |
| STEEL COMP 8735 OR |
| STEEL COMP 4130 OR |
| STEEL COMP 4037 OVERALL |
THREAD LENGTH | 0.515 INCHES MINIMUM |
HEAD STYLE | HEXAGON |
THREAD SERIES DESIGNATOR | UNC |
NOMINAL THREAD DIAMETER | 0.312 INCHES |
THREAD QUANTITY PER INCH | 18 |
THREAD CLASS | 3A |
MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5626 MIL SPEC 1ST MATERIAL RESPONSE OR |
| MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OR |
| MIL-S-6050 MIL SPEC 3RD MATERIAL RESPONSE OR |
| MIL-S-6098 MIL SPEC 4TH MATERIAL RESPONSE OR |
| MIL-S-6758 MIL SPEC 5TH MATERIAL RESPONSE OR |
| AMS 6300 ASSN STD 6TH MATERIAL RESPONSE OVERALL |
SURFACE TREATMENT | CADMIUM AND |
| CHROMATE OVERALL |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
HARDNESS RATING | 26.0 ROCKWELL C MINIMUM AND |
| 32.0 ROCKWELL C MAXIMUM OVERALL |
MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH |
HEAD HEIGHT | 0.266 INCHES MINIMUM AND |
| 0.297 INCHES MAXIMUM |
WIDTH BETWEEN FLATS | 0.492 INCHES MINIMUM AND |
| 0.501 INCHES MAXIMUM |
HOLE CONFIGURATION STYLE | HEXAGON LONGITUDINAL HOLE |
HOLE TYPE | DRILLED |
HOLE QUANTITY | 6 |
HOLE DIAMETER | 0.070 INCHES NOMINAL |
GRIP LENGTH | 0.859 INCHES MINIMUM AND |
| 0.891 INCHES MAXIMUM |
FEATURES PROVIDED | FINISHED HEAD |
SPEC/STD CONTROLLING DATA | |
MANUFACTURERS CODE | 96906 |
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MS20074-05-13 |