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 5905-01-069-3893
NSN 5990-01-581-5103
NSN 5930-01-623-1403
NSN 5930-00-008-8363
NSN 5910-00-833-8298
NSN 5998-00-881-0149
NSN 5925-01-379-7734
NSN 2925-00-315-8442
NSN 6685-00-269-6444
NSN 6130-01-555-2942
NSN 4140-00-592-3318
NSN 5998-00-707-5781