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 6620-01-532-4136
NSN 6105-01-509-4224
NSN 6130-00-205-1714
NSN 5910-00-922-1183
NSN 5950-00-082-0286
NSN 5910-00-592-2560
NSN 5996-01-332-6988
NSN 4140-00-443-9732
NSN 5915-00-303-4168
NSN 5930-00-277-4704
NSN 5975-00-495-6735
NSN 5915-01-324-6486