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 5960-01-051-9405
NSN 5945-00-481-8357
NSN 6645-00-149-1100
NSN 5950-01-203-1424
NSN 6110-01-231-8683
NSN 6105-00-275-0826
NSN 5990-01-106-3786
NSN 2925-01-157-9204
NSN 6650-01-479-1297
NSN 6220-01-437-9755
NSN 5990-00-809-0088
NSN 5990-01-510-1430