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 4140-00-648-3303
NSN 6650-01-570-0430
NSN 5999-00-182-8908
NSN 6240-00-275-1950
NSN 5975-01-006-0889
NSN 6135-00-856-1343
NSN 6645-01-107-2152
NSN 5935-00-294-9526
NSN 6620-01-133-4193
NSN 6620-01-487-8735
NSN 5945-00-513-9716
NSN 5985-01-399-0614