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 4140-00-075-2000
NSN 6650-01-388-2538
NSN 5855-01-222-1242
NSN 6645-01-235-1601
NSN 6240-01-525-6585
NSN 5990-00-263-1289
NSN 5975-01-086-4488
NSN 6220-01-323-4236
NSN 5895-01-406-6266
NSN 4140-01-143-4815
NSN 5950-00-676-8936
NSN 5855-01-472-2554