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 5990-01-426-7350
NSN 5990-01-411-5930
NSN 6320-00-036-3688
NSN 5925-00-476-6630
NSN 6620-01-583-2779
NSN 6105-00-838-5929
NSN 5910-00-138-1258
NSN 5895-01-199-0147
NSN 5999-00-290-1860
NSN 5915-00-553-8755
NSN 6620-01-411-8471
NSN 6150-01-257-1090