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 6220-01-293-5450
NSN 4140-01-031-0286
NSN 5990-00-246-2184
NSN 4140-01-207-3577
NSN 5855-00-014-5008
NSN 6650-01-486-6099
NSN 6145-01-054-3297
NSN 5920-01-522-6132
NSN 5920-01-234-7040
NSN 6240-00-866-6239
NSN 6110-01-500-0768
NSN 6150-01-596-1738