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.
Classification: Gaskets, washers and other seals, of vulcanized rubber other than hard rubber
NSN 4140-01-435-7515
NSN 5985-01-139-4144
NSN 5920-01-156-8705
NSN 5996-01-398-8197
NSN 6220-01-593-2976
NSN 6645-01-202-7986
NSN 4140-01-414-7093
NSN 5999-00-389-4723
NSN 6135-01-142-2417
NSN 5945-01-568-1448
NSN 5945-00-630-4492
NSN 5950-00-278-1201