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 5920-01-633-8495
NSN 5990-01-431-6749
NSN 6220-01-064-6115
NSN 5975-00-204-9190
NSN 5975-00-983-4560
NSN 6145-01-529-6566
NSN 7035-01-462-1957
NSN 6110-01-301-0748
NSN 5950-01-467-7972
NSN 6130-01-544-7251
NSN 6320-01-422-1212
NSN 5996-01-653-8065