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 5855-01-618-9749
NSN 6620-01-392-7191
NSN 5930-01-467-9140
NSN 6620-01-272-4746
NSN 5990-01-324-1204
NSN 5950-00-595-5546
NSN 5990-01-074-6549
NSN 6135-00-613-1068
NSN 5915-01-645-8584
NSN 5930-00-259-8262
NSN 5915-01-450-8716
NSN 6130-01-644-3911