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 5990-00-258-0228
NSN 5950-01-068-4637
NSN 5935-01-252-1699
NSN 6110-01-099-2411
NSN 6240-01-148-0379
NSN 6645-01-633-1852
NSN 5999-01-150-3659
NSN 5999-00-884-6434
NSN 5960-00-361-8409
NSN 5990-00-226-1152
NSN 7035-01-503-9281
NSN 7035-01-485-0269