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 6620-01-004-2738
NSN 6320-00-646-3311
NSN 6685-00-339-5690
NSN 5960-01-023-8037
NSN 4140-01-207-1801
NSN 5935-01-111-8010
NSN 2925-01-338-7126
NSN 5905-01-419-9367
NSN 6220-01-170-2611
NSN 5985-00-901-9691
NSN 5895-00-300-3214
NSN 2925-01-541-7217