| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-8837,TY 2,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| HARDNESS RATING | 45.0 ROCKWELL C MINIMUM AND |
| 48.0 ROCKWELL C MAXIMUM OVERALL |
| MINIMUM TENSILE STRENGTH | 210000 POUNDS PER SQUARE INCH |
| SHEAR STRENGTH | 125000 SINGLE POUNDS PER SQUARE INCH |
| HEAD HEIGHT | 0.078 INCHES MINIMUM AND |
| 0.088 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.565 INCHES MINIMUM AND |
| 0.600 INCHES MAXIMUM |
| SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED |
| FASTENER LENGTH | 1.660 INCHES MINIMUM AND |
| 1.680 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.1582 INCHES MINIMUM AND |
| 0.1617 INCHES MAXIMUM |
| SHANK DIAMETER | 0.3735 INCHES MINIMUM AND |
| 0.3745 INCHES MAXIMUM |
| GRIP LENGTH | 1.130 INCHES MAXIMUM |
| THREAD SERIES DESIGNATOR | UNJF |
| NOMINAL THREAD SIZE | 0.375 INCHES |
| THREAD CLASS | 3A |
| THREAD QUANTITY PER INCH | 24 |
| THREAD DIRECTION | RIGHT-HAND |
| LUBRICATION | CETYL ALCOHOL, SPEC 305, HI-SHEAR CORP |
| IDENTIFICATION CODE COLOR | RED |
| SPECIAL FEATURES | RED IDENTIFICATION COLOR ON TOP OF HEAD |
| MATERIAL | STEEL COMP H11 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6487 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM AND |
| CHROMATE OVERALL |