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 5950-00-221-6719
NSN 2925-01-648-6859
NSN 5905-00-915-1419
NSN 5930-01-373-5515
NSN 5945-00-162-9525
NSN 6320-01-318-6518
NSN 5990-01-293-4817
NSN 6685-01-519-9250
NSN 5935-01-065-9807
NSN 6150-00-299-6678
NSN 6110-00-054-7278
NSN 6610-01-441-1581