| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| THREAD DIRECTION | RIGHT-HAND |
| NUT STYLE | PLATE |
| MATERIAL | STEEL COMP 4130 OR |
| STEEL COMP 4340 OR |
| STEEL COMP 1035 OR |
| STEEL COMP 1040 OR |
| STEEL COMP 1042 OR |
| STEEL COMP 1045 OR |
| STEEL COMP 1046 OR |
| STEEL COMP 1548 OR |
| STEEL COMP 1049 OR |
| STEEL COMP 1050 OVERALL |
| THREAD SERIES | UNJF |
| NOMINAL THREAD SIZE | 0.250 INCHES |
| THREAD QUANTITY PER INCH | 28 |
| THREAD CLASS | 3B |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS6350 ASSN STD 1ST MATERIAL RESPONSE OR |
| AMS6359 ASSN STD 2ND MATERIAL RESPONSE OR |
| SAE1035 ASSN STD 3RD MATERIAL RESPONSE OR |
| SAE1040 ASSN STD 4TH MATERIAL RESPONSE OR |
| SAE1042 ASSN STD 5TH MATERIAL RESPONSE OR |
| SAE1045 ASSN STD 6TH MATERIAL RESPONSE OR |
| SAE1046 ASSN STD 7TH MATERIAL RESPONSE OR |
| SAE1048 ASSN STD 8TH MATERIAL RESPONSE OR |
| SAE149 ASSN STD 9TH MATERIAL RESPONSE OR |
| SAE1050 ASSN STD 10TH MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| NUT LENGTH | 1.292 INCHES MAXIMUM |
| NUT HEIGHT | 0.340 INCHES MAXIMUM |
| PLATE THICKNESS | 0.031 INCHES NOMINAL |
| PLATE WIDTH | 0.516 INCHES MAXIMUM |
| NUT COUNTERBORE DEPTH | 0.060 INCHES MINIMUM NUT |
| COUNTERBORE DIAMETER | 0.310 INCHES NOMINAL NUT |
| LUBRICATION | DRY FILM LUBRICANT |
| NUT MOUNTING PROVISION | STRAIGHT HOLES |
| MOUNTING HOLE ARRANGEMENT STYLE | 2 HOLES |
| MOUNTING HOLE DIAMETER | 0.098 INCHES MINIMUM AND |
| 0.113 INCHES MAXIMUM |
| DISTANCE FROM APERTURE CENTER TO MOUNTING HOLE CENTER | 0.495 INCHES MINIMUM AND |
| 0.505 INCHES MAXIMUM |
| CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG LENGTH | 0.998 INCHES MINIMUM AND |
| 1.002 INCHES MAXIMUM |
| TEMP RATING | 450.0 DEG FAHRENHEIT NOMINAL |
| FEATURES PROVIDED | FLOATING NUT |
| SPECIFICATION/STANDARD DATA | 81205-BACN10JB MANUFACTURERS STANDARD |