| COUNTERBORE DIAMETER | 0.310 INCHES NOMINAL NUT |
| FEATURES PROVIDED | FLOATING NUT |
| LUBRICATION | DRY FILM LUBRICANT |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5639 ASSN STD 1ST MATERIAL RESPONSE OR AMS 5514 ASSN STD 2ND MATERIAL RESPONSE BASE |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5525 ASSN STD SINGLE MATERIAL RESPONSE NUT |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5528 ASSN STD SINGLE MATERIAL RESPONSE BRACKET |
| MATERIAL | IRON ALLOY 660 NUT |
| MATERIAL | STEEL COMP 631 BRACKET |
| MATERIAL | STEEL COMP 304 OR STEEL COMP 305 BASE |
| NOMINAL THREAD SIZE | 0.250 INCHES |
| NUT COUNTERBORE DEPTH | 0.219 INCHES NOMINAL NUT |
| NUT LENGTH | 0.650 INCHES NOMINAL |
| NUT HEIGHT | 0.430 INCHES NOMINAL |
| NUT STYLE | SPLINE (FLOATING) |
| PILOT LENGTH | 0.130 INCHES NOMINAL |
| PILOT DIAMETER | 0.335 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE BASE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE BRACKET |
| SURFACE TREATMENT | PASSIVATE BRACKET |
| SURFACE TREATMENT | PASSIVATE BASE |
| TEMP RATING | 800.0 FAHRENHEIT MAXIMUM |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD QUANTITY PER INCH | 28 |
| THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) |
| WIDTH ACROSS FLATS | 0.450 INCHES NOMINAL |