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 6685-01-442-5741
NSN 5960-01-212-4227
NSN 5990-01-186-6446
NSN 6145-01-517-3280
NSN 5835-00-503-2608
NSN 6610-01-606-8788
NSN 5905-00-998-8492
NSN 4140-00-846-4786
NSN 4140-01-092-9847
NSN 5990-00-191-6290
NSN 5975-00-726-0140
NSN 6320-01-631-7828