Ventillation hole in ctr of coveris 4.00 inches diam
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 5935-01-648-5850
NSN 4140-00-934-8800
NSN 2925-01-426-3410
NSN 5985-00-788-5914
NSN 6220-01-057-2389
NSN 5945-00-005-0325
NSN 5930-00-266-8175
NSN 5999-01-399-1162
NSN 6645-00-998-2918
NSN 6220-00-076-0428
NSN 5835-00-543-1325
NSN 7035-01-383-6549