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 5950-01-210-3070
NSN 6150-00-293-5293
NSN 6320-00-139-1090
NSN 5910-01-514-0367
NSN 6650-01-168-1659
NSN 5985-01-111-8488
NSN 5960-01-447-7074
NSN 5990-00-173-9401
NSN 5998-01-100-5708
NSN 6130-01-515-8956
NSN 5950-01-069-1850
NSN 5990-01-498-0641