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 5915-01-064-4220
NSN 6135-01-422-1440
NSN 5925-01-425-0959
NSN 5960-00-972-9297
NSN 6650-01-399-8552
NSN 5950-00-157-1014
NSN 6320-01-216-1678
NSN 4140-00-423-6663
NSN 6620-01-050-0956
NSN 5999-00-881-5836
NSN 5960-01-035-1260
NSN 5930-01-392-1787