5305-00-013-7430

6220-27-054-5949 6220270545949 270545949 is an item conforming to light (1) which, when installed on a vehicle, projects a forward-focused beam of light to a limited area and facilitates operation during periods of darkness. the item must include provisions for mounting on a vehicle. excludes lamp (as modified).

5330-27-052-1572 5330270521572 270521572 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.

5331-27-052-1607 5331270521607 270521607 is a nonmetallic circular item with an aperature, having a solid round cross-section. they are used primarily for sealing. for items with other than round cross section, see packing,preformed. for noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.