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 5985-00-960-5560
NSN 5950-01-323-5833
NSN 5990-00-081-1266
NSN 5975-01-168-2356
NSN 6240-01-599-0652
NSN 6620-01-305-7924
NSN 6220-01-071-2609
NSN 4140-00-592-3318
NSN 5999-01-510-7835
NSN 6135-01-136-1059
NSN 6150-00-406-1490
NSN 5965-01-611-6085