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
NSN 5920-01-254-7014
NSN 6150-01-191-0136
NSN 6150-01-573-7667
NSN 6110-01-110-6776
NSN 5975-01-504-5486
NSN 5950-00-932-2907
NSN 6105-01-114-8644
NSN 5905-00-167-6872
NSN 5855-00-361-0167
NSN 6610-01-262-2273
NSN 5905-00-208-4104