| DISTANCE FROM APERTURE CENTER TO MOUNTING HOLE CENTER | 0.557 INCHES MINIMUM AND 0.567 INCHES MAXIMUM |
| CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG LENGTH | 1.123 INCHES MINIMUM AND 1.127 INCHES MAXIMUM |
| COUNTERBORE DIAMETER | 0.265 INCHES MINIMUM AND 0.270 INCHES MAXIMUM NUT |
| FEATURES PROVIDED | FLOATING NUT |
| LOCKING FEATURE | PREVAILING TORQUE ALL METAL DESIGN |
| LUBRICATION | DRY FILM LUBRICANT |
| NUT COUNTERBORE DEPTH | 0.278 INCHES MINIMUM AND 0.288 INCHES MAXIMUM NUT |
| NUT HEIGHT | 0.310 INCHES NOMINAL |
| NUT LENGTH | 1.360 INCHES MINIMUM AND 1.390 INCHES MAXIMUM |
| NUT MOUNTING PROVISION | STRAIGHT HOLES |
| NUT STYLE | PLATE |
| MATERIAL | STEEL COMP 4130 OR STEEL COMP 8740 NUT |
| MATERIAL | STEEL COMP 601 BASE |
| MATERIAL | STEEL COMP 601 SHELL |
| MOUNTING HOLE ARRANGEMENT STYLE | 2 HOLES |
| MOUNTING HOLE DIAMETER | 0.098 INCHES MINIMUM AND 0.103 INCHES MAXIMUM |
| NOMINAL THREAD SIZE | 0.250 INCHES |
| PLATE THICKNESS | 0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM |
| PLATE WIDTH | 0.865 INCHES MAXIMUM |
| SPECIAL FEATURES | SPRING LOADED; BOTTOM OF NUT EXTENDS BELOW BASE |
| THREAD SERIES | UNIFIED NATIONAL JOINT FINE (UNJF) |
| THREAD QUANTITY PER INCH | 28 |
| SPECIFICATION/STANDARD DATA | 80205-NAS1803 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TY 2,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
| THREAD CLASS | 3B |
| THREAD DIRECTION | RIGHT-HAND |