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 6145-00-975-4457
NSN 5935-00-075-3712
NSN 4140-00-618-0530
NSN 5985-01-647-6967
NSN 5975-00-286-8506
NSN 5999-01-515-4956
NSN 5950-00-486-0934
NSN 6320-01-567-9792
NSN 6320-00-583-3105
NSN 6130-01-595-5738
NSN 5925-00-621-0134
NSN 6130-01-577-7030