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 5905-01-157-8275
NSN 5945-00-893-7851
NSN 5950-01-279-0197
NSN 5960-01-442-7950
NSN 5930-01-281-2087
NSN 6240-01-438-1157
NSN 6650-01-446-6646
NSN 7035-00-946-2642
NSN 5990-01-378-1444
NSN 6645-00-057-3499
NSN 4140-01-042-6637
NSN 5915-01-430-2228