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 6220-00-429-6652
NSN 6130-01-283-0284
NSN 5910-00-314-6972
NSN 6130-00-106-1227
NSN 6110-01-139-4646
NSN 5965-00-104-2903
NSN 5950-01-497-9844
NSN 6650-01-004-1625
NSN 5990-01-288-7393
NSN 6645-01-448-0622
NSN 5960-01-470-1579
NSN 6240-01-103-9884