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 5895-01-417-5601
NSN 5920-01-273-0994
NSN 5950-01-484-7845
NSN 6150-01-425-0883
NSN 5998-00-719-7610
NSN 6650-01-373-1580
NSN 6320-00-725-0754
NSN 5999-01-131-9151
NSN 6220-00-980-0052
NSN 5905-01-035-8523
NSN 6145-01-575-3127
NSN 5930-01-544-4390