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 6220-00-334-7008
NSN 6645-00-905-7258
NSN 5960-01-441-7047
NSN 5975-00-203-1265
NSN 6645-00-113-4441
NSN 6150-00-233-6356
NSN 6645-01-400-1137
NSN 5915-01-048-5420
NSN 5920-01-264-7796
NSN 5950-00-436-7864
NSN 2925-00-782-1498
NSN 6105-01-605-8548