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 5920-00-879-8654
NSN 6620-00-601-3885
NSN 5925-00-535-4120
NSN 5855-00-973-5717
NSN 5975-01-386-5944
NSN 4140-01-463-9023
NSN 5835-01-502-9228
NSN 5925-01-388-3325
NSN 6240-01-386-1354
NSN 5855-00-821-7512
NSN 6645-01-276-1029
NSN 5990-01-601-7332