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 4140-01-173-7867
NSN 6620-00-924-4369
NSN 6110-01-275-4320
NSN 5835-01-477-8903
NSN 5990-00-816-9289
NSN 6150-00-242-9439
NSN 5945-01-535-0158
NSN 5925-01-457-5668
NSN 5990-00-965-7786
NSN 7035-01-344-0209
NSN 7035-01-027-2259
NSN 6220-01-566-2487