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 4140-01-425-0025
NSN 6110-00-297-5768
NSN 5965-01-495-1170
NSN 6610-00-197-7648
NSN 6220-00-991-8280
NSN 5945-01-044-5825
NSN 6135-01-597-7685
NSN 6145-01-534-8580
NSN 5855-01-458-5163
NSN 5960-01-317-3800
NSN 6320-01-294-7161
NSN 6645-01-550-9669