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 5999-00-123-2245
NSN 5998-01-423-0994
NSN 5990-01-532-0670
NSN 6145-01-457-1082
NSN 4140-00-335-2863
NSN 5855-01-447-9165
NSN 5905-01-461-2618
NSN 2925-01-049-8906
NSN 5910-00-446-1957
NSN 6220-01-557-7198
NSN 6610-00-582-1107
NSN 5998-01-519-9273