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 5915-00-928-5667
NSN 5998-00-587-7081
NSN 5920-00-306-4872
NSN 5920-01-032-4756
NSN 5998-01-298-6436
NSN 5996-01-515-6895
NSN 5925-01-528-7612
NSN 5975-01-245-9429
NSN 6320-01-481-7322
NSN 5920-01-422-0177
NSN 6150-01-271-8016
NSN 5960-01-065-9684