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 5895-00-139-1403
NSN 6130-00-045-6491
NSN 6135-01-633-8502
NSN 6135-01-419-2233
NSN 6130-00-932-1591
NSN 6240-01-394-5697
NSN 6645-00-336-4783
NSN 5930-00-905-6999
NSN 2925-01-440-9912
NSN 6130-01-461-2954
NSN 6150-00-052-0805
NSN 5999-01-546-1698