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 5925-01-060-5265
NSN 6240-00-107-1518
NSN 5975-00-348-7427
NSN 6145-01-278-6757
NSN 6620-00-506-0112
NSN 6645-01-045-4088
NSN 6135-00-519-1325
NSN 5965-01-603-7301
NSN 5930-01-176-1600
NSN 5960-01-190-8937
NSN 5915-01-381-6314
NSN 5998-01-379-7321