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 6145-01-115-0859
NSN 5910-00-753-7581
NSN 5910-01-633-9963
NSN 4140-00-587-7496
NSN 6240-00-557-7471
NSN 5965-01-064-7496
NSN 7035-00-574-4223
NSN 6135-01-592-2765
NSN 6240-00-007-8538
NSN 5990-00-857-4407
NSN 5945-00-999-2878
NSN 4140-01-605-8793