| CORNER RADIUS | 4.033 INCHES NOMINAL |
| CROSS-SECTIONAL SHAPE STYLE | FLAT, ROUND RIB REINFORCED |
| FEATURES PROVIDED | SEALING CAPABILITY |
| HOLE DIAMETER | 0.256 INCHES NOMINAL |
| HOLE QUANTITY ALONG WIDTH | 16 |
| HOLE QUANTITY ALONG LENGTH | 23 |
| LENGTH | 18.044 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250/29 FED SPEC 1ST MATERIAL RESPONSE AND MIL-R-25988 MIL SPEC 2ND MATERIAL RESPONSE |
| MATERIAL | ALUMINUM ALLOY AND RUBBER SILICONE |
| MOUNTING OPENING SHAPE STYLE | UNTHREADED HOLE |
| NUCLEAR HARDNESS CRITICAL FEATURE | HARDENED |
| PERIPHERAL SHAPE STYLE | IRREGULAR OCTAGON |
| SECURING DEVICE TYPE | THREADED FASTENER |
| SPECIAL FEATURES | NUCLEAR HARDNESS CRITICAL ITEM; HOLES COUNTERBORED 0.123 BY 0.415 IN. DIA; NHA L3010826; USED AS UPPER FUEL TANK ACCESS DOOR |
| WIDTH | 13.702 INCHES NOMINAL |