Special Features:

Four holes threaded 0.190-32 unf 2b thru, csunk 80 degrees min and 100 degrees max to 0.215 in. Dia, cbored to 0.338 in. Min and 0.348 in. Max diameter 0.500 in. Deep; two holes 0.212 in. Min and 0.218 in. Max diameter through cbored to 0.338 in. Min and 0.348 in. Max diameter 0.312 in. Deep; four holes threaded 0.164-32 unc 2b by 0.312 in. Deep min, csunk 80 degrees min and 100 degrees max to 0.189 in. Dia

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.