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 5920-01-128-3572
NSN 5855-01-515-9547
NSN 6620-00-950-5979
NSN 5920-01-125-6469
NSN 5905-00-216-6576
NSN 5910-00-597-8695
NSN 5930-01-601-1841
NSN 5930-00-666-2971
NSN 6685-01-381-6670
NSN 7035-00-870-0290
NSN 6240-00-041-5043
NSN 6150-00-802-5483