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 5905-00-913-3073
NSN 5920-01-555-6944
NSN 5910-00-535-3872
NSN 6110-00-081-9902
NSN 6135-01-338-2281
NSN 5855-01-136-1916
NSN 6130-01-061-1773
NSN 6320-01-322-4950
NSN 6685-01-462-3013
NSN 6620-01-454-2450
NSN 5920-00-892-2640
NSN 6220-01-178-8249