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 4140-01-409-1764
NSN 6685-01-489-1631
NSN 6150-01-337-9782
NSN 4140-01-565-2436
NSN 5930-00-064-4768
NSN 6110-01-227-1617
NSN 6145-01-126-7273
NSN 6645-00-955-1240
NSN 5985-00-988-9743
NSN 6320-01-453-5152
NSN 6645-00-994-6664
NSN 5985-01-411-4707