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 5990-00-309-0023
NSN 5905-01-519-9021
NSN 6220-00-476-6031
NSN 5960-01-531-9108
NSN 5905-00-186-9034
NSN 6145-00-592-4274
NSN 5950-01-418-1787
NSN 6150-01-029-5329
NSN 5999-00-929-7549
NSN 6620-01-213-8772
NSN 6110-01-178-0814
NSN 5895-01-106-4161