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 6220-00-200-7888
NSN 6645-00-244-0359
NSN 6685-01-448-9371
NSN 7035-01-026-1171
NSN 5960-01-336-3130
NSN 5910-00-933-7538
NSN 6145-00-840-6685
NSN 2925-00-327-6215
NSN 5985-00-561-3391
NSN 6650-01-388-3127
NSN 5999-01-128-5822
NSN 6240-00-607-4303