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 6685-01-142-1969
NSN 5855-01-521-8616
NSN 5996-01-415-3291
NSN 5950-00-375-6285
NSN 6220-00-296-4101
NSN 4140-00-454-3786
NSN 6105-01-196-9146
NSN 6150-01-610-5429
NSN 5985-01-267-1630
NSN 4140-00-577-3512
NSN 6620-01-216-8082
NSN 6240-01-559-9117