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 4140-01-184-7417
NSN 5960-00-104-5955
NSN 5985-00-137-9068
NSN 5905-01-411-3945
NSN 5905-01-500-1570
NSN 6105-01-560-5867
NSN 6610-01-625-2926
NSN 5975-01-159-2149
NSN 6620-01-017-4790
NSN 6620-01-060-3086
NSN 6240-01-076-5231
NSN 5920-01-510-2784