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 5930-00-111-2727
NSN 2925-00-837-3948
NSN 6145-01-148-9793
NSN 5990-00-906-4840
NSN 6135-00-485-7402
NSN 6110-01-083-1374
NSN 5910-01-189-0107
NSN 5895-00-776-0619
NSN 5950-00-816-9913
NSN 5990-01-475-8708
NSN 5965-01-511-5392
NSN 5895-01-229-4284