Special Features:

K6 pilot holes 0.219 in. Dia; 3 thd holes 0.375-16 unc 2b and 3 thd holes l8-32 unc-2b on same bolt circle, ctr hole 1.436 in. Min and 1.440 in. Max diameter surrounded by 4 thd holes 8-32 unc-2b; 1 thd hole 12-27npt

Properties:

A rigid or flexible item of various shapes attached to a structure for the purpose of providing access for inspection, service, replacement of components and/or adjustments or mounting operations. It is designed to be attached by means of bolt holes, slots, mounting ears, tabs, and the like. To permit access, the mounted cover requires partial or complete removal. It may include an observation window. For items permanently attached by hinges and the like, see door, access (as modified). Excludes all covers not specifically designed to provide access for the purposes listed above.