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 6620-01-548-9993
NSN 6685-01-401-5360
NSN 6135-01-466-0192
NSN 4140-01-215-7958
NSN 5960-01-567-1096
NSN 5910-00-984-2729
NSN 6645-01-016-0372
NSN 5950-01-492-1611
NSN 5960-01-170-4057
NSN 5985-00-279-6397
NSN 6320-00-701-0437
NSN 6145-01-054-3297