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 4140-01-418-1894
NSN 6150-01-465-0764
NSN 4140-01-569-7183
NSN 5996-01-553-0263
NSN 5925-01-153-0144
NSN 5965-01-207-0991
NSN 5910-00-637-2609
NSN 5960-01-087-8687
NSN 6220-00-670-1790
NSN 5990-01-485-0260
NSN 6620-00-593-5313
NSN 5925-00-224-7474