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 5985-00-608-9137
NSN 6130-01-498-5268
NSN 5915-00-153-4416
NSN 5990-00-023-4163
NSN 5990-01-411-8548
NSN 5895-00-073-9422
NSN 4140-00-916-2771
NSN 5960-01-060-9248
NSN 5965-01-323-8134
NSN 5905-01-168-9892
NSN 6320-01-189-6891
NSN 5905-01-634-0595