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 5920-00-928-6721
NSN 2925-01-394-5650
NSN 6320-00-270-8222
NSN 5915-01-279-4809
NSN 6610-00-810-8326
NSN 6650-01-547-6631
NSN 7035-01-514-0599
NSN 5895-00-398-0029
NSN 5915-00-270-4790
NSN 5950-00-222-7699
NSN 6240-00-272-8601
NSN 5975-00-826-6648