5120-01-397-0921

3020-01-052-8901 3020010528901 010528901 is a pulley with one or more grooved faces or rims of the same diameter. for pulleys encased in a shell or frame, see block, tackle.for items specifically designed for aviation, see pulley(1), groove, aviation.

4720-01-192-8124 4720011928124 011928124 is a length of nonmetallic hose with fittings on one or both ends. for items without fittings, see hose, nonmetallic. excludes hose assembly, air duct; and hose assembly, air duct, air breathing.

3020-01-285-6298 3020012856298 012856298 is a pulley with one or more grooved faces or rims of the same diameter. for pulleys encased in a shell or frame, see block, tackle.for items specifically designed for aviation, see pulley(1), groove, aviation.

5330-17-052-6230 5330170526230 170526230 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.

5365-01-119-7485 5365011197485 011197485 RING,FURNACE