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 6240-00-143-6558
NSN 6135-01-388-2761
NSN 5975-01-308-5624
NSN 2925-01-478-8191
NSN 5990-01-582-5238
NSN 5930-01-571-8762
NSN 5960-01-207-9544
NSN 5965-00-166-3486
NSN 5960-01-622-0393
NSN 6645-01-176-3372
NSN 5990-01-121-1175
NSN 5996-01-469-6848