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 5925-01-490-2649
NSN 6220-01-423-1476
NSN 2925-01-607-4340
NSN 5985-01-144-8968
NSN 6645-01-176-3372
NSN 2925-01-633-4048
NSN 6110-01-074-9368
NSN 6685-01-660-4910
NSN 5945-01-627-2107
NSN 4140-01-423-1647
NSN 5998-01-032-6385
NSN 6645-00-067-7070