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.
NSN 6320-01-240-4637
NSN 5998-01-407-4206
NSN 5930-01-388-2562
NSN 2925-00-408-9829
NSN 6610-01-628-6044
NSN 5998-00-633-5169
NSN 5925-00-829-4897
NSN 5960-01-466-4153
NSN 2925-01-295-9337
NSN 5999-01-437-1252
NSN 5960-01-395-6939
NSN 5990-00-263-1289