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 2925-00-441-8252
NSN 6240-01-294-0913
NSN 2925-00-654-3206
NSN 6220-01-265-2705
NSN 5910-01-468-5147
NSN 6110-01-411-7392
NSN 5905-01-061-1833
NSN 6240-01-128-4906
NSN 5915-01-633-9845
NSN 6105-01-218-3625
NSN 5855-01-299-3510
NSN 6150-00-725-1189