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 5975-01-343-3945
NSN 5905-01-319-1641
NSN 6240-00-056-1571
NSN 5905-01-228-1909
NSN 4140-00-957-5285
NSN 5855-00-237-4088
NSN 6240-01-306-1137
NSN 6650-01-112-3986
NSN 5925-01-041-4304
NSN 5985-01-302-3827
NSN 5960-01-419-8142
NSN 6135-01-286-9563