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 5990-00-106-6609
NSN 5999-01-605-4523
NSN 5910-01-545-5988
NSN 7035-00-981-7216
NSN 5998-01-100-1116
NSN 4140-01-364-1104
NSN 5996-01-454-6419
NSN 5915-01-095-9833
NSN 2925-01-607-7754
NSN 5950-01-236-4400
NSN 5930-01-426-8601
NSN 5895-01-506-1656