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 2925-00-157-1602
NSN 6110-00-575-9795
NSN 6220-00-358-7334
NSN 6650-01-119-9522
NSN 6650-01-355-4559
NSN 6150-01-476-1036
NSN 6650-01-426-4253
NSN 4140-00-372-2947
NSN 5905-01-613-2119
NSN 5895-01-216-6194
NSN 5950-01-578-6669
NSN 5998-01-400-4079