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 6130-00-004-5590
NSN 6130-01-123-6674
NSN 6145-01-211-6591
NSN 5945-01-387-6742
NSN 5910-00-271-7588
NSN 6105-01-535-7921
NSN 6145-00-870-1137
NSN 6220-00-617-9616
NSN 6150-00-650-6790
NSN 5915-01-192-3224
NSN 5999-01-376-5601
NSN 5975-01-381-7274