19.750 in. Od
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 5960-01-350-5332
NSN 5950-01-332-1124
NSN 5999-00-144-7698
NSN 6135-01-392-8344
NSN 6135-01-351-1131
NSN 6240-01-143-0397
NSN 5985-01-288-0623
NSN 5910-01-067-0877
NSN 5950-00-693-4695
NSN 5945-00-127-3838
NSN 5990-01-328-9846
NSN 5905-01-400-2607