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 4140-01-551-3310
NSN 5910-01-555-9146
NSN 5998-01-225-0333
NSN 5925-00-444-0595
NSN 5855-01-064-8961
NSN 5930-00-978-7954
NSN 5996-01-228-3826
NSN 6105-01-180-8382
NSN 6610-01-599-4462
NSN 2925-01-267-1598
NSN 6320-00-646-3311
NSN 5965-01-365-7470