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 5920-01-573-0137
NSN 6650-01-419-7567
NSN 6105-01-542-5797
NSN 5985-01-219-2475
NSN 5935-01-553-5152
NSN 6135-00-782-6988
NSN 6685-00-100-4753
NSN 5895-01-172-9655
NSN 6220-00-142-5115
NSN 5996-01-069-2915
NSN 6240-01-422-8178
NSN 2925-00-787-4711