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 2925-01-157-9204
NSN 4140-01-400-3610
NSN 5990-01-312-2638
NSN 6220-01-444-1692
NSN 5975-01-469-9048
NSN 6620-01-576-4308
NSN 6220-01-570-3581
NSN 5855-01-218-3735
NSN 6620-00-280-2874
NSN 5910-00-325-7717
NSN 5965-00-891-2778
NSN 5835-00-074-3700