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 5920-01-551-4789
NSN 6150-01-515-0762
NSN 5950-00-971-8993
NSN 5960-01-172-9724
NSN 6240-00-752-2581
NSN 5996-00-816-9320
NSN 5975-01-503-5511
NSN 5855-01-040-3881
NSN 5905-00-584-5009
NSN 6240-01-059-0404
NSN 5930-01-145-5360
NSN 5930-01-117-5333