.50 thick, 6061-t4 per qq-a-250/11
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.
NSN 7035-01-609-3839
NSN 5996-00-830-6235
NSN 5915-01-258-5799
NSN 5990-00-328-4490
NSN 7035-01-461-1066
NSN 6645-01-513-0117
NSN 5935-01-410-2904
NSN 6685-00-968-6120
NSN 6110-01-501-2359
NSN 5999-01-290-7680
NSN 6220-01-306-9126
NSN 4140-00-253-1801