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 6150-01-620-2687
NSN 6220-01-367-6411
NSN 5835-00-187-1481
NSN 6650-01-185-9067
NSN 5895-01-258-5933
NSN 6110-01-441-2625
NSN 5925-00-644-5546
NSN 2925-00-402-3282
NSN 5960-00-172-7889
NSN 5905-01-188-6975
NSN 5960-00-841-5884
NSN 6110-01-437-3919