24 ventilation holes 0.438 in. Dia
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: Other articles of iron or steel not wire nesoi
NSN 6650-01-242-8087
NSN 5990-00-551-1315
NSN 5996-01-242-9710
NSN 2925-01-430-4206
NSN 6645-01-076-3494
NSN 5920-01-232-7465
NSN 5835-00-905-7165
NSN 5905-01-050-1827
NSN 6650-01-442-7893
NSN 5935-00-740-7145
NSN 6240-01-400-4212
NSN 6150-01-013-4567