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 6135-01-621-0742
NSN 6220-01-579-8919
NSN 5965-00-486-7902
NSN 5910-01-426-2043
NSN 6240-00-594-7138
NSN 2925-00-325-3421
NSN 5835-01-013-9321
NSN 5990-01-385-6634
NSN 5975-01-146-4796
NSN 6150-00-500-0275
NSN 6620-01-100-0431
NSN 6240-01-512-1161