5305-00-005-5802

5330-99-843-4193 5330998434193 998434193 is a deformable material which prevents the passage of matter through the joint formed when two faces are joined. it may be metallic or nonmetallic, lubricated or impregnated, solid or hollow cross section. it may be made to any predetermined dimension and shape. excludes flat disks, items made of felt material and items having joints. for round metal and plastic items with an aperture and a solid rectangular cross section, see washer, flat; shim; bearing, washer, thrust; and spacer ring. excludes disk, valve; seal, nonmetallic angle; seal, nonmetallic channel; seal, nonmetallic special shaped section; shielding gasket, electronic; and ring, sealing jar.

2520-12-125-0702 2520121250702 121250702 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.