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 6240-00-287-1988
NSN 6610-00-318-8540
NSN 5905-00-828-0194
NSN 7035-01-633-9537
NSN 4140-01-206-4430
NSN 6240-01-460-9289
NSN 5960-01-392-6240
NSN 5950-00-073-6889
NSN 6135-01-022-5427
NSN 6220-01-336-7414
NSN 6130-01-441-1624
NSN 5950-00-863-2104