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 6145-01-361-8553
NSN 5990-01-453-3552
NSN 5998-00-967-9902
NSN 5965-01-357-2317
NSN 2925-01-633-4048
NSN 6320-01-384-3850
NSN 6610-00-081-2365
NSN 5895-00-738-4906
NSN 5855-00-198-3197
NSN 5930-01-511-4006
NSN 5960-00-752-1012
NSN 5999-00-233-3503