Plenum cover
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 5975-01-273-0971
NSN 5945-00-761-7784
NSN 5990-01-478-8638
NSN 6145-01-433-0453
NSN 5998-00-415-1678
NSN 6685-01-088-7317
NSN 5905-01-514-5270
NSN 5905-00-005-6946
NSN 6220-01-628-8552
NSN 5985-01-422-0534
NSN 5999-01-017-6080
NSN 6620-01-575-9561