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 4140-00-108-5688
NSN 6105-01-227-7324
NSN 5855-01-063-1692
NSN 5985-00-225-0232
NSN 5996-01-051-9430
NSN 6650-01-237-4689
NSN 5945-01-075-7167
NSN 2925-01-077-6867
NSN 2925-01-550-0177
NSN 6240-01-324-5222
NSN 5965-01-315-5764
NSN 5915-00-144-5548