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 5905-01-169-5303
NSN 6685-00-758-1162
NSN 5935-01-351-7210
NSN 5905-01-617-0615
NSN 6645-00-519-1026
NSN 5999-01-349-0870
NSN 5920-00-903-1849
NSN 5855-01-530-4147
NSN 5905-01-525-3983
NSN 5990-01-128-6140
NSN 5965-01-572-4148
NSN 2925-00-406-4381