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 6240-00-569-5854
NSN 6135-00-262-6807
NSN 5965-01-432-1943
NSN 5960-00-775-7630
NSN 5998-01-246-8199
NSN 5960-01-515-4791
NSN 5855-00-110-9341
NSN 5960-00-238-3830
NSN 5935-01-015-5140
NSN 5996-01-047-0087
NSN 5935-01-572-2047
NSN 5990-01-499-6930