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 5920-01-567-3702
NSN 6320-00-313-9114
NSN 4140-01-071-6191
NSN 6220-01-188-0135
NSN 6105-00-374-8743
NSN 6240-01-030-7071
NSN 5855-00-821-7512
NSN 6135-00-918-6993
NSN 6145-01-469-5821
NSN 6620-01-194-2626
NSN 6145-00-787-7313
NSN 5950-01-054-3215