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 5835-01-185-1102
NSN 5910-01-064-6940
NSN 5999-01-188-7175
NSN 6110-00-429-4777
NSN 5998-01-150-3457
NSN 6650-01-421-6957
NSN 6130-01-511-0584
NSN 6320-01-185-3857
NSN 6320-01-422-1212
NSN 5950-00-170-9103
NSN 5990-00-222-9899
NSN 5925-00-074-2031