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 5999-00-610-7629
NSN 5930-01-385-0271
NSN 6220-01-057-1133
NSN 6220-01-123-8878
NSN 6240-01-618-7818
NSN 6135-01-449-0625
NSN 5925-01-374-5211
NSN 6145-01-443-3088
NSN 6135-00-240-3200
NSN 5930-01-312-2217
NSN 6320-01-134-7267
NSN 5960-01-144-1515