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 5905-00-114-3395
NSN 6645-00-055-2170
NSN 5835-00-233-6327
NSN 6620-01-087-2354
NSN 6105-00-308-0973
NSN 6220-00-419-0635
NSN 6685-01-107-7540
NSN 5965-01-233-0771
NSN 5935-00-719-1029
NSN 5998-01-523-6265
NSN 6620-01-346-9340
NSN 5855-00-233-2366