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 6240-01-200-7937
NSN 5960-01-471-8201
NSN 5945-01-109-1276
NSN 6650-01-623-5931
NSN 6105-01-216-8969
NSN 5915-01-326-7056
NSN 6620-01-032-3937
NSN 7035-00-064-7008
NSN 4140-00-339-1514
NSN 6135-01-307-6006
NSN 6610-00-927-7415
NSN 6135-01-440-9412