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 5945-00-540-8178
NSN 6650-00-826-7396
NSN 5855-01-556-2665
NSN 6105-01-014-5444
NSN 6135-00-660-8654
NSN 6240-01-167-5040
NSN 5999-01-243-8496
NSN 6145-00-390-9917
NSN 6240-00-717-0844
NSN 6240-01-550-3112
NSN 5915-01-650-1733
NSN 6110-01-337-3232