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 5985-01-443-2417
NSN 5998-01-363-6202
NSN 5930-01-310-9147
NSN 6320-01-631-7828
NSN 6220-00-244-2040
NSN 5960-01-431-4291
NSN 5998-00-932-5589
NSN 6150-01-277-9184
NSN 6220-01-400-0637
NSN 5945-01-428-9943
NSN 6135-00-593-6831
NSN 2925-00-139-8309