| MRC | Criteria | Characteristic |
|---|
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-5541,CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE RAISED SURFACE |
| STYL | STYLE DESIGNATOR | SQUARE |
| AAGR | CROSS-SECTIONAL SHAPE STYLE | RAISED SURFACE W/ APERTURE |
| ABMB | MINOR THICKNESS | 0.930 INCHES MINIMUM AND 0.940 INCHES MAXIMUM |
| ABRY | LENGTH | 4.500 INCHES NOMINAL |
| ABTB | MOUNTING HOLE DIAMETER | 0.179 INCHES MINIMUM AND 0.185 INCHES MAXIMUM |
| ABVL | APERTURE DIAMETER | 1.894 INCHES NOMINAL |
| ADFU | MOUNTING HOLE ARRANGEMENT STYLE | FOUR HOLES |
| ADNY | DISTANCE BETWEEN HOLES ALONG LENGTH | 3.500 INCHES NOMINAL |
| ADNZ | DISTANCE BETWEEN HOLES ALONG WIDTH | 3.500 INCHES NOMINAL |
| ADUM | OVERALL THICKNESS | 1.745 INCHES MINIMUM AND 1.755 INCHES MAXIMUM |
| CKSR | RAISED SURFACE HEIGHT | 1.375 INCHES NOMINAL |
| CWGF | COUNTERBORE DIAMETER | 2.0635 INCHES MINIMUM AND 2.0645 INCHES MAXIMUM |
| CWHW | DISTANCE FROM VERTICAL CENTERLINE TO CENTER OF RIGHT HOLE | 1.750 INCHES NOMINAL |
| CWHX | COUNTERBORE DEPTH | 0.406 INCHES MINIMUM AND 0.410 INCHES MAXIMUM |
| CWJN | DISTANCE FROM HORIZONTAL CENTERLINE TO CENTER OF RIGHT HOLE | 1.750 INCHES NOMINAL |
| CWJW | MOUNTING HOLE TYPE | ROUND, UNTHREADED |
| CWKW | INSIDE RAISED SURFACE DIAMETER | 2.0635 INCHES MINIMUM AND 2.0645 INCHES MAXIMUM |
| CWLK | OUTSIDE RAISED SURFACE DIAMETER | 0.407 INCHES NOMINAL |
| FEAT | SPECIAL FEATURES | ONE 0.156 IN. DIA MIN TO 0.160 IN. DIA MAX BLIND HOLE IN OUTER FACE,0.190 IN. DP,COUNTERSUNK 0.187 IN. DIY BY 100.0 DEG,W/ONE MS16562 TUBULAR PIN SPRING INSERTED,LOCATED 0.812 IN. BELOW HORIZ CL AND 1.312 IN. LEFT OF VERT CL |
| MATT | MATERIAL | ALUMINUM ALLOY 6061 OVERALL |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250/11,T651 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SFTT | SURFACE TREATMENT | CHROMATE BORE |
| SFTT | SURFACE TREATMENT | CHROMATE INNER FACE AS MOUNTED |
| SFTT | SURFACE TREATMENT | CHROMATE RAISED SURFACE |
| SFTT | SURFACE TREATMENT | ENAMEL OUTER FACE AS MOUNTED |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | 887193,FSCM 49956 MFR REF SINGLE TREATMENT RESPONSE OUTER FACE AS MOUNTED |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-5541,CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE BORE |
| STDC | SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-C-5541,CLASS 1A MIL SPEC SINGLE TREATMENT RESPONSE INNER FACE AS MOUNTED |
