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 6240-01-170-7340
NSN 6220-01-265-7144
NSN 5998-00-647-1225
NSN 6240-01-339-3751
NSN 6685-00-406-5756
NSN 5965-00-111-2073
NSN 5985-01-597-6119
NSN 5960-01-503-4123
NSN 2925-00-468-5273
NSN 4140-01-566-4347
NSN 6145-00-615-2019
NSN 5975-00-964-6673