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 5990-00-139-3155
NSN 6685-01-430-7167
NSN 5950-01-628-5572
NSN 6320-00-295-2854
NSN 5930-01-333-3268
NSN 5835-01-155-8301
NSN 5965-01-180-7070
NSN 6685-01-625-9138
NSN 6130-00-999-1116
NSN 6320-00-115-0883
NSN 5998-00-029-9598
NSN 5935-01-499-1404