4540-00-008-4875

1560-14-303-1313 1560143031313 143031313 is 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.

5330-14-201-5671 5330142015671 142015671 is an item fabricated from nonmetallic material designed to be used where there is no relative motion between joined parts. items having a square or rectangular cross section must be a single piece whose ends may have been secured together to form a specific shape. it may be formed to a specific shape, except round, with or without joints. it may have fabric, cord or metal reinforcement. except for molded corners, end cuts, and mounting facilities such as holes, slots, press-fit buttons, or the like, the item must be of one continuous cross section. for straight items with square end cuts and without mounting holes, slots or press-fit buttons see rubber strip. for items with round cross sections see seal, nonmetallic round section. excludes gasket and packing, preformed.