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 6220-01-136-5402
NSN 6650-00-156-9292
NSN 5945-00-189-5419
NSN 5960-00-499-6781
NSN 6240-01-457-7490
NSN 6145-01-571-0921
NSN 5930-01-582-5822
NSN 5990-01-296-8190
NSN 5965-01-082-1885
NSN 5945-00-809-9301
NSN 6610-00-458-5444
NSN 6610-00-102-9226