| THREAD DIRECTION | RIGHT-HAND |
| FASTENER LENGTH | 9.320 INCHES MINIMUM AND |
| 9.600 INCHES MAXIMUM |
| MATERIAL | STEEL COMP 1013 OR |
| STEEL COMP 1015 OR |
| STEEL COMP 1016 OR |
| STEEL COMP 1017 OR |
| STEEL COMP 1018 OR |
| STEEL COMP 1019 OR |
| STEEL COMP 1020 OR |
| STEEL COMP 1021 OR |
| STEEL COMP 1022 OR |
| STEEL COMP 1023 OR |
| STEEL COMP 1025 OR |
| STEEL COMP 1026 OR |
| STEEL COMP 1029 OR |
| STEEL COMP 1030 OR |
| STEEL COMP 1033 OR |
| STEEL COMP 1034 OR |
| STEEL COMP 1035 OR |
| STEEL COMP 1037 OR |
| STEEL COMP 1038 OR |
| STEEL COMP 1039 OR |
| STEEL COMP 1040 OR |
| STEEL COMP 1524 OR |
| STEEL COMP 1527 OR |
| STEEL COMP 1536 OR |
| STEEL COMP 1541 OR |
| STEEL COMP 1005 OR |
| STEEL COMP 1006 OR |
| STEEL COMP 1008 OR |
| STEEL COMP 1009 OR |
| STEEL COMP 1010 OR |
| STEEL COMP 1011 OVERALL |
| THREAD LENGTH | 1.125 INCHES MINIMUM |
| HEAD STYLE | SQUARE |
| THREAD SERIES DESIGNATOR | UNC |
| NOMINAL THREAD DIAMETER | 0.312 INCHES |
| THREAD QUANTITY PER INCH | 18 |
| THREAD CLASS | 2A |
| MATERIAL DOCUMENT AND CLASSIFICATION | SAE J429 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| SURFACE TREATMENT | CADMIUM AND |
| CHROMATE OR |
| ZINC AND |
| CHROMATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 CL 3 FED SPEC 1ST TREATMENT RESPONSE OR |
| QQ-Z-325 TY 2 CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| HARDNESS RATING | 70.0 ROCKWELL B MINIMUM AND |
| 100.0 ROCKWELL B MAXIMUM OVERALL |
| MINIMUM TENSILE STRENGTH | 60000 POUNDS PER SQUARE INCH |
| MINIMUM YIELD STRENGTH | 36000 POUNDS PER SQUARE INCH |
| HEAD HEIGHT | 0.186 INCHES MINIMUM AND |
| 0.220 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.484 INCHES MINIMUM AND |
| 0.500 INCHES MAXIMUM |
| FEATURES PROVIDED | FINISHED HEAD |
| NONDEFINITIVE SPEC/STD DATA | 1 TYPE |
| SPEC/STD CONTROLLING DATA | |
| MANUFACTURERS CODE | 81348 |
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | FF-B-575 |
| MANUFACTURERS CODE | 96906 |
| DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | MS35355-51 |