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 5895-01-525-4042
NSN 4140-01-540-5318
NSN 6145-01-462-5930
NSN 5950-01-139-3036
NSN 6135-00-422-3967
NSN 5920-00-833-2807
NSN 5975-01-370-3979
NSN 6645-01-179-0243
NSN 6620-01-452-1161
NSN 5920-01-628-0995
NSN 6610-01-504-7622
NSN 6620-01-477-0123