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 5985-00-863-1848
NSN 6240-00-467-7295
NSN 6320-01-425-1417
NSN 5920-01-263-7012
NSN 5925-01-265-7749
NSN
NSN 5930-01-284-7063
NSN 5895-01-341-9212
NSN 6110-00-782-7193
NSN 5895-01-324-7957
NSN 6135-01-530-8136
NSN 5855-00-925-7887