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 6645-01-602-8275
NSN 2925-00-453-4100
NSN 6135-00-491-9864
NSN 5990-01-101-7602
NSN 5930-01-103-9814
NSN 6145-01-599-5399
NSN 6110-01-478-0359
NSN 6240-00-151-5382
NSN 6145-00-833-5236
NSN 5998-00-372-2589
NSN 5930-00-269-4996
NSN 6130-01-495-0904