| MATERIAL | ALUMINUM ALLOY 2024 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250/4,T81 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | ANODIZE AND |
| PAINT OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625 MIL SPEC 1ST TREATMENT RESPONSE AND |
| P.S.1375 76301 MFR REF 2ND TREATMENT RESPONSE OVERALL |
| NUT STYLE | PLATE NUT SPACER |
| NUT LENGTH | 1.257 INCHES MAXIMUM |
| THRU-HOLE DIAMETER | 0.540 INCHES MINIMUM AND |
| 0.550 INCHES MAXIMUM |
| PLATE THICKNESS | 0.060 INCHES MINIMUM AND |
| 0.066 INCHES MAXIMUM |
| PLATE WIDTH | 0.740 INCHES NOMINAL |
| NUT MOUNTING PROVISION | COUNTERSUNK HOLES |
| MOUNTING HOLE COUNTERSINK ANGLE | 98.0 DEGREES MINIMUM AND |
| 102.0 DEGREES MAXIMUM |
| MOUNTING PROVISION LOCATION | NUT PROJECTION SIDE |
| 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 | 0.432 INCHES MINIMUM AND |
| 0.442 INCHES MAXIMUM |
| CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG LENGTH | 0.873 INCHES MINIMUM AND |
| 0.877 INCHES MAXIMUM |
| SPECIFICATION/STANDARD DATA | 76301-ST4M171 MANUFACTURERS STANDARD |