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.
NSN 5855-00-411-8688
NSN 5960-01-649-1341
NSN 6620-00-946-4864
NSN 5920-01-444-5029
NSN 2925-00-986-2055
NSN 5998-01-423-8525
NSN 6685-00-542-0924
NSN 5835-00-140-0727
NSN 5930-01-499-4777
NSN 6240-00-901-8612
NSN 6130-01-047-3533
NSN 5905-01-563-7917