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 5960-01-599-9821
NSN 5920-00-009-8186
NSN 6610-00-314-2605
NSN 6105-01-337-1927
NSN 6135-01-159-3032
NSN 5910-01-182-0740
NSN 5950-01-622-7461
NSN 4140-00-953-2004
NSN 5945-01-553-0632
NSN 6145-01-568-0573
NSN 5930-01-279-9954
NSN 6685-01-033-1606