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 6645-00-389-3370
NSN 6650-01-284-1158
NSN 6145-00-469-8657
NSN 5950-00-848-8682
NSN 5985-01-197-7905
NSN 5950-01-080-1849
NSN 5895-01-015-5594
NSN 6685-01-283-0657
NSN 5905-01-392-9913
NSN 5960-01-198-2244
NSN 7035-01-202-4842
NSN 5915-01-483-1617