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 5855-01-428-9456
NSN 5945-00-077-0604
NSN 5960-01-361-6543
NSN 6130-00-137-6390
NSN 6150-00-715-4661
NSN 5930-01-592-6901
NSN 5990-00-288-1820
NSN 5930-00-838-8539
NSN 5999-01-267-9745
NSN 5960-00-295-5413
NSN 5998-01-414-0239
NSN 4140-01-560-8399