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 5925-00-222-8263
NSN 6145-00-109-0356
NSN 5930-01-340-8972
NSN 6150-01-482-1329
NSN 7035-01-501-2950
NSN 5905-01-153-2512
NSN 5935-00-051-5135
NSN 6650-01-218-4742
NSN 5905-00-309-7878
NSN 2925-00-188-5003
NSN 5996-01-485-0305
NSN 5855-01-441-0401