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 6620-01-640-6761
NSN 5920-01-111-7178
NSN 5996-00-289-9847
NSN 4140-01-107-7382
NSN 6135-01-377-3862
NSN 5920-01-444-4082
NSN 6685-00-399-3250
NSN 5996-01-058-8227
NSN 6645-01-031-6402
NSN 5895-01-403-2793
NSN 6320-00-107-5291
NSN 6320-01-067-0474