| FASTENER LENGTH | 3.190 INCHES MINIMUM AND 3.290 INCHES MAXIMUM |
| HARDNESS RATING | 70.0 ROCKWELL B MINIMUM AND 100.0 ROCKWELL B MAXIMUM OVERALL |
| HEAD DIAMETER | 1.000 INCHES MINIMUM AND 1.031 INCHES MAXIMUM |
| HEAD HEIGHT | 0.156 INCHES MINIMUM AND 0.176 INCHES MAXIMUM |
| HEAD STYLE | OVAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | SAE GRADE 1 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| MATERIAL | STEEL OVERALL |
| MINIMUM TENSILE STRENGTH | 60000 POUNDS PER SQUARE INCH |
| MINIMUM YIELD STRENGTH | 36000 POUNDS PER SQUARE INCH |
| NECK LENGTH | 0.156 INCHES MINIMUM AND 0.187 INCHES MAXIMUM |
| NECK WIDTH | 0.307 INCHES MINIMUM AND 0.324 INCHES MAXIMUM |
| NOMINAL THREAD DIAMETER | 0.312 INCHES |
| SPECIAL FEATURES | FURNISH NECK,0.100 INCH THICK,0,800 INCH IN DIA.,MATERIAL GM1131-M TYPE B FSCM 11862 |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | GM 6174-M FSCM 11862 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD CLASS | 2A |
| THREAD LENGTH | 2.952 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 18 |
| THREAD SERIES DESIGNATOR | UNRC |