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 5999-00-398-1583
NSN 6150-00-467-0803
NSN 7035-01-480-5537
NSN 5920-01-381-0205
NSN 5905-01-244-3970
NSN 5998-01-539-5401
NSN 5835-00-373-2671
NSN 2925-01-270-1124
NSN 6105-00-338-3877
NSN 5950-00-250-7037
NSN 6135-00-255-1340
NSN 6145-00-570-0516