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 6220-01-634-0660
NSN 6620-01-036-6687
NSN 2925-01-607-4340
NSN 5975-01-060-1468
NSN 6610-00-391-7888
NSN 2925-01-426-3410
NSN 5855-01-547-6918
NSN 6220-01-563-5840
NSN 5965-01-274-2151
NSN 6685-01-016-3708
NSN 5950-00-237-3335
NSN 7035-01-218-6960