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 4140-01-051-4428
NSN 5895-00-935-0225
NSN 5930-01-169-1602
NSN 6130-00-823-2367
NSN 5905-01-245-8472
NSN 6145-00-564-5591
NSN 6130-01-156-9681
NSN 4140-00-993-6128
NSN 5985-01-426-1848
NSN 5910-00-551-0963
NSN 6145-00-155-5297
NSN 5910-01-534-9276