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 2925-00-845-1480
NSN 6320-01-216-1678
NSN 6110-01-305-0012
NSN 6150-00-794-8714
NSN 5996-01-449-7131
NSN 5965-01-243-2329
NSN 5905-01-234-5769
NSN 5920-01-633-8495
NSN 6135-00-708-0892
NSN 6150-01-028-0413
NSN 6650-01-364-8504
NSN 6620-01-384-2105