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 5990-01-278-9985
NSN 5910-00-839-1248
NSN 4140-00-078-9357
NSN 6150-00-468-5416
NSN 6685-01-181-2273
NSN 5930-01-512-8227
NSN 5945-00-487-0850
NSN 5930-01-579-3732
NSN 5985-00-754-0658
NSN 6110-01-630-9638
NSN 6610-01-633-8931
NSN 5855-01-281-6689