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 5910-01-571-7621
NSN 6645-01-537-6994
NSN 5920-00-925-2639
NSN 6240-01-252-8850
NSN 6610-01-006-3255
NSN 2925-01-527-5335
NSN 5950-01-380-8236
NSN 6620-00-269-5168
NSN 5998-01-006-0706
NSN 5950-00-353-9564
NSN 6685-01-491-2642
NSN 6130-00-035-3898