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 6645-01-514-0236
NSN 4140-01-231-5031
NSN 5925-00-897-4821
NSN 5930-01-268-7725
NSN 5935-01-322-8562
NSN 6620-00-172-9222
NSN 6135-01-034-5202
NSN 5965-01-234-6844
NSN 5975-01-103-8178
NSN 5950-01-223-3658
NSN 5990-00-591-3793
NSN 4140-01-374-4673