| THREAD DIRECTION | RIGHT-HAND |
| NUT STYLE | PLATE (FLOATING) |
| THREAD SERIES | UNF |
| NOMINAL THREAD SIZE | 0.250 INCHES |
| MATERIAL | STEEL CORROSION RESISTING BASE |
| IRON ALLOY 660 NUT |
| THREAD QUANTITY PER INCH | 28 |
| THREAD CLASS | 3B |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5528 ASSN STD 1ST MATERIAL RESPONSE OR |
| MIL-S-25043 MIL SPEC 2ND MATERIAL RESPONSE BASE |
| AMS 5732 ASSN STD 1ST MATERIAL RESPONSE OR |
| AMS 5737 ASSN STD 2ND MATERIAL RESPONSE NUT |
| SURFACE TREATMENT | PASSIVATE BASE |
| SILVER NUT |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS-QQ-P-35 ASSN STD SINGLE TREATMENT RESPONSE BASE |
| 2410 ASSN STD SINGLE TREATMENT RESPONSE NUT |
| NUT LENGTH | 0.160 INCHES MAXIMUM |
| NUT HEIGHT | 0.432 INCHES MINIMUM AND |
| 0.472 INCHES MAXIMUM |
| PLATE THICKNESS | 0.020 INCHES MINIMUM AND |
| 0.030 INCHES MAXIMUM |
| PLATE WIDTH | 0.615 INCHES MAXIMUM |
| NUT MOUNTING PROVISION | STRAIGHT HOLES |
| MOUNTING HOLE ARRANGEMENT STYLE | 2 HOLES |
| MOUNTING HOLE DIAMETER | 0.098 INCHES MINIMUM AND |
| 0.103 INCHES MAXIMUM |
| DISTANCE FROM APERTURE CENTER TO MOUNTING HOLE CENTER | 0.344 INCHES NOMINAL |
| CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG LENGTH | 0.685 INCHES MINIMUM AND |
| 0.689 INCHES MAXIMUM |
| SPECIAL FEATURES | THE FINISH FOR THE BASE IS GLASS BEAD BLAST AND PASSIVATED |
| PRECIOUS MATERIAL | SILVER |
| PRECIOUS MATERIAL AND LOCATION | NUT PLATED SILVER |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | NUT PLATE, FLOATING, FLAT BEAM LOCK, TWO LUG, FOR LOCKHEED F-22 |