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 5985-00-248-4978
NSN 6220-01-171-0957
NSN 5925-01-286-3619
NSN 6135-00-921-6487
NSN 6105-01-231-9457
NSN 4140-01-391-9994
NSN 6130-00-972-3069
NSN 7035-01-559-0636
NSN 6620-01-575-2799
NSN 5925-01-298-8120
NSN 5998-01-110-3503
NSN 7035-01-054-7988