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 6105-00-434-2223
NSN 5935-01-329-4947
NSN 5975-00-909-5174
NSN 6240-01-609-9806
NSN 5910-01-510-4627
NSN 4140-01-491-5544
NSN 5925-01-128-1072
NSN 5915-01-649-7946
NSN 5985-01-319-3150
NSN 6105-01-461-1785
NSN 6685-01-462-9114
NSN 6685-01-533-8374