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 5905-00-816-1389
NSN 5895-00-459-0966
NSN 5915-00-082-7779
NSN 5975-01-470-2775
NSN 5835-00-711-3371
NSN 6240-00-403-4861
NSN 6620-00-062-9722
NSN 5895-01-497-0827
NSN 6220-01-058-5700
NSN 5905-01-512-4930
NSN 2925-01-168-6253
NSN 5905-00-137-1490