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 4140-00-432-0456
NSN 5990-00-679-6157
NSN 5950-01-445-0910
NSN 5920-01-330-5224
NSN 6620-00-189-0967
NSN 4140-01-168-4308
NSN 6645-01-501-0576
NSN 5835-00-441-5004
NSN 6220-01-516-4737
NSN 6645-00-103-2517
NSN 5960-00-201-5265
NSN 6130-00-847-8040