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 5910-00-123-5727
NSN 6130-01-167-7526
NSN 2925-01-013-0413
NSN 5950-01-629-4167
NSN 6240-01-488-3094
NSN 5950-01-396-0714
NSN 6685-01-450-3479
NSN 5999-00-115-8357
NSN 6620-00-923-8470
NSN 5855-01-013-6864
NSN 6620-01-562-6865
NSN 5915-01-534-8819