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 5990-00-079-0932
NSN 2925-00-146-0179
NSN 5915-00-502-5173
NSN 6135-01-529-8523
NSN 5905-00-088-8137
NSN 5920-00-038-0011
NSN 5999-01-322-8547
NSN 5965-01-440-8257
NSN 5996-01-017-1114
NSN 5915-00-145-4936
NSN 6220-00-912-6890
NSN 5950-00-854-0550