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 5855-01-591-7028
NSN 6650-01-398-1884
NSN 6645-01-567-1049
NSN 5855-01-068-3683
NSN 6685-00-628-7342
NSN 5855-01-098-9038
NSN 6645-00-847-3727
NSN 5998-00-536-4873
NSN 5920-00-326-9901
NSN 5835-00-123-5175
NSN 5996-01-441-1594
NSN 6320-00-389-4756