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 6645-01-501-0576
NSN 6240-01-436-9868
NSN 6650-00-292-9106
NSN 6320-01-445-8192
NSN 6645-00-754-4108
NSN 5998-01-223-3391
NSN 6220-01-517-7186
NSN 5990-00-252-1702
NSN 6150-01-076-9377
NSN 6685-01-302-4242
NSN 5990-01-328-9846
NSN 5835-00-451-2093