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 2925-00-103-6822
NSN 6145-00-845-1966
NSN 5999-00-630-5598
NSN 5855-00-797-8217
NSN 6135-01-415-4124
NSN 6685-01-033-7082
NSN 5996-00-081-0525
NSN 5996-00-172-3647
NSN 5998-01-604-0909
NSN 5835-00-473-1010
NSN 2925-00-608-0856
NSN 6135-01-290-6487