| THREAD DIRECTION | RIGHT-HAND |
| NUT STYLE | PLATE (FLOATING) |
| MATERIAL | STEEL COMP 301 OR |
| STEEL COMP 302 OR |
| STEEL COMP 303 BASE |
| IRON ALLOY 660 NUT |
| IRON ALLOY 660 SHELL |
| STEEL COMP 631 OR |
| IRON ALLOY 660 CLIP |
| STEEL COMP 631 SPRING |
| THREAD SERIES | UNJF |
| NOMINAL THREAD SIZE | 0.250 INCHES |
| THREAD QUANTITY PER INCH | 28 |
| THREAD CLASS | 3B |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE BASE |
| AMS 5731,A286 ASSN STD 1ST MATERIAL RESPONSE OR |
| AMS 5732 ASSN STD 2ND MATERIAL RESPONSE OR |
| AMS 5737 ASSN STD 3RD MATERIAL RESPONSE NUT |
| AMS5525,A286 ASSN STD SINGLE MATERIAL RESPONSE SHELL |
| AMS 5528 ASSN STD 1ST MATERIAL RESPONSE OR |
| AMS 5529 ASSN STD 2ND MATERIAL RESPONSE OR |
| AMS 5737 ASSN STD 3RD MATERIAL RESPONSE CLIP |
| AMS 5529 ASSN STD 2ND MATERIAL RESPONSE SPRING |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| NUT LENGTH | 1.365 INCHES MINIMUM AND |
| 1.385 INCHES MAXIMUM |
| NUT HEIGHT | 0.843 INCHES MINIMUM AND |
| 0.853 INCHES MAXIMUM |
| PLATE THICKNESS | 0.023 INCHES MINIMUM AND |
| 0.027 INCHES MAXIMUM |
| PLATE WIDTH | 0.865 INCHES MAXIMUM |