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 6610-01-499-8788
NSN 5960-01-278-9394
NSN 5990-00-164-1198
NSN 4140-01-370-1309
NSN 5960-01-354-0762
NSN 6685-01-367-2534
NSN 5895-01-472-3161
NSN 4140-00-757-5270
NSN 2925-00-233-5644
NSN 6620-01-095-8937
NSN 6145-01-156-9587
NSN 6610-01-224-7247