Obeservation facility has service plug in center
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.
Classification: Articles of aluminum nesoi
NSN 5930-01-422-5924
NSN 2925-00-257-2872
NSN 2925-01-400-2286
NSN 5985-01-573-5766
NSN 6645-01-357-7750
NSN 5920-00-821-0078
NSN 6145-01-366-3707
NSN 5985-00-336-5813
NSN 5910-01-570-3929
NSN 6645-00-300-0401
NSN 6240-00-839-7440
NSN 5835-01-107-8600