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 6240-01-227-4178
NSN 6145-01-008-7011
NSN 6150-00-223-9761
NSN 2925-01-194-9737
NSN 6130-01-451-4256
NSN 5905-01-439-2090
NSN 6240-00-555-6347
NSN 5835-00-092-1136
NSN 6105-01-391-7722
NSN 6645-01-025-1002
NSN 5930-01-424-6738
NSN 5920-01-219-5298