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 5930-01-155-3124
NSN 6650-00-405-6323
NSN 5975-01-200-7710
NSN 5975-01-212-2761
NSN 5990-01-065-0492
NSN 6320-01-306-7241
NSN 6135-00-728-9860
NSN 5998-01-345-4472
NSN 6135-00-284-1406
NSN 5975-01-431-8814
NSN 5950-01-634-0677
NSN 6130-00-291-4877