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 6150-01-389-8900
NSN 6620-01-494-3739
NSN 5950-01-562-4658
NSN 2925-00-918-0859
NSN 6650-01-254-4288
NSN 6685-01-004-0708
NSN 5855-00-167-7893
NSN 5910-01-081-9929
NSN 5915-01-437-3572
NSN 6320-00-213-0477
NSN 5935-01-237-0078
NSN 6240-00-460-2675