| THREAD SERIES | UN |
| NOMINAL THREAD SIZE | 1.875 INCHES |
| THREAD QUANTITY PER INCH | 16 |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| MATERIAL | 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 1025 OR |
| STEEL COMP 1110 OR |
| STEEL COMP 1116 OR |
| STEEL COMP 1117 OR |
| STEEL COMP 1118 OR |
| STEEL COMP 1119 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A108 ASSN STD 1ST MATERIAL RESPONSE OR |
| ASTM A108 ASSN STD 2ND MATERIAL RESPONSE OR |
| ASTM A108 ASSN STD 3RD MATERIAL RESPONSE OR |
| ASTM A108 ASSN STD 4TH MATERIAL RESPONSE OR |
| ASTM A108 ASSN STD 5TH MATERIAL RESPONSE OR |
| ASTM A108 ASSN STD 6TH MATERIAL RESPONSE OR |
| ASTM A108 ASSN STD 7TH MATERIAL RESPONSE OR |
| ASTM A108 ASSN STD 8TH MATERIAL RESPONSE OR |
| ASTM A108 ASSN STD 9TH MATERIAL RESPONSE OR |
| ASTM A576 ASSN STD 10TH MATERIAL RESPONSE OR |
| ASTM A576 ASSN STD 11TH MATERIAL RESPONSE OR |
| ASTM A576 ASSN STD 12TH MATERIAL RESPONSE OR |
| ASTM A576 ASSN STD 13TH MATERIAL RESPONSE OR |
| ASTM A576 ASSN STD 14TH MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | PHOSPHATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | DOD-P-16232,TY M,CL 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| HARDNESS RATING | 86.0 ROCKWELL SUPERFICIAL 15-N MINIMUM |
| NUT STYLE | SLOTTED, HEXAGON |
| NUT HEIGHT | 0.812 INCHES NOMINAL |
| WIDTH ACROSS FLATS | 2.625 INCHES NOMINAL |
| BEARING SURFACE TYPE | WASHER FACED |
| COUNTERSINK ANGLE | 90.0 DEGREES NOMINAL FIRST END |
| FEATURES PROVIDED | CASEHARDENED |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NUT, SPECIAL |