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 6320-01-039-5891
NSN 6135-01-462-6040
NSN 6320-00-853-1920
NSN 6240-01-071-2127
NSN 6135-00-932-3136
NSN 5985-01-609-5272
NSN 5920-01-112-9844
NSN 6610-01-004-5316
NSN 5905-01-148-2195
NSN 6110-00-314-3208
NSN 6220-01-040-3624
NSN 6685-01-038-1394