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 4140-01-627-0681
NSN 5915-01-657-1561
NSN 5950-00-080-9046
NSN 5905-00-801-0466
NSN 5965-00-455-7581
NSN 6145-00-118-8375
NSN 5960-01-552-8601
NSN 5965-01-292-0035
NSN 5925-01-144-3137
NSN 6145-01-246-7506
NSN 5930-00-585-7058
NSN 5905-01-299-5572