| DISTANCE BETWEEN HOLES ALONG LENGTH | 1.940 INCHES NOMINAL |
| DISTANCE BETWEEN HOLES ALONG WIDTH | 1.490 INCHES NOMINAL |
| DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG LENGTH | 0.130 INCHES NOMINAL |
| DISTANCE FROM FIRST HOLE CENTERLINE TO END ALONG WIDTH | 0.130 INCHES NOMINAL |
| BODY THICKNESS | 0.035 INCHES NOMINAL |
| CORNER BEVEL LENGTH | 0.060 INCHES NOMINAL |
| CROSS-SECTIONAL SHAPE STYLE | SQUARE OR RECTANGULAR RECESS |
| FEATURES PROVIDED | OBSERVATION FACILITY |
| FIRST RECESS INSIDE HEIGHT | 2.500 INCHES NOMINAL |
| FLANGE THICKNESS | 0.035 INCHES NOMINAL |
| HOLE DIAMETER | 0.123 INCHES MINIMUM AND 0.128 INCHES MAXIMUM |
| INSIDE CORNER RADIUS | 0.130 INCHES NOMINAL |
| INSIDE WIDTH | 1.416 INCHES MINIMUM AND 1.436 INCHES MAXIMUM |
| INSIDE LENGTH | 2.430 INCHES NOMINAL |
| LENGTH | 2.200 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-766 COND A FED SPEC SINGLE MATERIAL RESPONSE |
| MATERIAL | STEEL COMP 304 |
| PERIPHERAL SHAPE STYLE | RECTANGLE, FOUR HOLES |
| PROPRIETARY CHARACTERISTICS | PACS |
| MOUNTING OPENING SHAPE STYLE | UNTHREADED HOLE |
| SECURING DEVICE TYPE | SPECIAL |
| WIDTH | 1.730 INCHES MINIMUM AND 1.770 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | 171 5.4.1 MIL STD SINGLE TREATMENT RESPONSE |
| SURFACE TREATMENT | PASSIVATE |