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 4140-01-075-0419
NSN 6105-00-449-5593
NSN 5975-01-505-1975
NSN 6150-01-576-9505
NSN 2925-01-422-1542
NSN 6320-00-937-5625
NSN 5960-01-536-9763
NSN 6240-01-524-0510
NSN 5945-01-610-1093
NSN 5950-01-555-4048
NSN 5915-01-043-2461
NSN 6150-01-266-5816