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 5990-00-252-1702
NSN 6620-01-261-0054
NSN 6320-00-593-0379
NSN 6135-01-285-1925
NSN 5998-01-400-0938
NSN 5855-00-928-1912
NSN 5990-01-328-9846
NSN 2925-01-532-0781
NSN 5950-01-487-3750
NSN 6135-01-420-5907
NSN 5945-01-350-4132
NSN 6320-00-343-1798