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 6110-00-947-6621
NSN 7035-01-359-7460
NSN 6610-01-406-4985
NSN 5920-00-318-7150
NSN 6220-01-490-6316
NSN 5950-00-114-1510
NSN 6220-00-453-3179
NSN 6685-01-472-4397
NSN 6320-01-406-6098
NSN 5960-00-785-4255
NSN 5855-01-488-6571
NSN 5950-01-455-6160