THREAD DIRECTION | RIGHT-HAND |
FASTENER LENGTH | 1.266 INCHES MINIMUM AND |
| 1.312 INCHES MAXIMUM |
MATERIAL | STEEL COMP 4140 OR |
| STEEL COMP 8740 OR |
| STEEL COMP 8735 OR |
| STEEL COMP 4130 OVERALL |
THREAD LENGTH | 0.875 INCHES MINIMUM AND |
| 0.953 INCHES MAXIMUM |
HEAD STYLE | HEXAGON |
THREAD SERIES DESIGNATOR | UNF |
NOMINAL THREAD DIAMETER | 0.562 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-6098 MIL SPEC 3RD MATERIAL RESPONSE OR |
| MIL-S-6758 MIL SPEC 4TH MATERIAL RESPONSE OVERALL |
SURFACE TREATMENT | CADMIUM AND |
| CHROMATE OVERALL |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 TY 2 CL 3 FED SPEC ALL TREATMENT RESPONSES 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 | 0.296 INCHES MINIMUM AND |
| 0.328 INCHES MAXIMUM |
WIDTH BETWEEN FLATS | 0.865 INCHES MINIMUM AND |
| 0.877 INCHES MAXIMUM |
GRIP LENGTH | 0.359 INCHES MINIMUM AND |
| 0.391 INCHES MAXIMUM |
FEATURES PROVIDED | FINISHED HEAD |
SPEC/STD CONTROLLING DATA | |
MANUFACTURERS CODE | 88044 |
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | AN9-11A |