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 5920-00-125-1316
NSN 5996-01-275-9251
NSN 6610-01-144-1951
NSN 5920-01-294-5368
NSN 6220-01-098-0187
NSN 5895-00-995-2336
NSN 6650-01-175-0841
NSN 5960-00-699-8146
NSN 6620-00-248-6950
NSN 5965-01-141-6485
NSN 6220-01-376-5920
NSN 6150-01-521-9620