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 5895-00-418-4639
NSN 5855-00-688-9954
NSN 6105-01-546-5539
NSN 6240-01-648-2327
NSN 5985-01-340-7910
NSN 5905-01-647-8316
NSN 2925-00-146-0179
NSN 5835-01-155-0786
NSN 6145-01-634-0388
NSN 5835-01-141-8383
NSN 5855-00-760-3870
NSN 4140-00-419-0631