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 5925-00-188-8678
NSN 5920-00-732-6763
NSN 6135-01-307-2749
NSN 5985-01-406-3261
NSN 5996-00-575-9682
NSN 6620-00-250-1980
NSN 6645-00-456-0080
NSN 5960-00-284-6399
NSN 6110-01-268-1723
NSN 5930-00-448-2154
NSN 5950-00-232-9313
NSN 6645-01-449-0785