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 5930-01-555-5008
NSN 5990-01-633-9503
NSN 6105-00-167-7576
NSN 6620-01-268-9693
NSN 6650-01-031-7962
NSN 5895-00-418-4639
NSN 5950-01-555-0104
NSN 6150-00-644-8745
NSN 4140-01-528-6681
NSN 5945-01-495-8076
NSN 5960-00-466-3523
NSN 6610-00-116-5725