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 5950-01-453-4072
NSN 4140-00-709-0762
NSN 5935-00-519-0281
NSN 6240-00-643-4532
NSN 6220-01-292-0980
NSN 6150-00-952-1993
NSN 5905-00-824-3779
NSN 6220-01-111-2073
NSN 5965-00-452-0967
NSN 6145-01-424-3364
NSN 5996-01-451-0356
NSN 6220-01-072-6185