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 5915-01-414-9915
NSN 6135-01-101-5039
NSN 6645-00-144-4868
NSN 5925-00-299-1677
NSN 5855-01-136-9532
NSN 6130-01-499-3345
NSN 5835-00-632-8621
NSN 5835-01-013-9321
NSN 6645-01-005-7849
NSN 5855-01-400-1590
NSN 5960-00-239-3054
NSN 5910-01-413-5866