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 5935-01-361-5552
NSN 6150-00-630-7302
NSN 5930-01-006-7937
NSN 5960-01-023-8037
NSN 5965-01-012-1065
NSN 5855-00-797-8217
NSN 6685-01-613-1701
NSN 6620-00-292-7000
NSN 6620-00-736-8457
NSN 6105-01-160-8434
NSN 5915-01-200-0753
NSN 5996-01-599-5712