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 4140-01-191-7577
NSN 5855-01-050-0861
NSN 5990-01-108-7785
NSN 5975-01-027-2157
NSN 6320-00-845-3261
NSN 5960-01-476-5686
NSN 5910-01-329-6262
NSN 6135-01-553-7711
NSN 2925-01-649-7543
NSN 5985-00-153-4205
NSN 2925-00-174-4322
NSN 7035-01-608-4642