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 5960-01-187-0392
NSN 5945-00-201-5916
NSN 6685-00-115-2255
NSN 5996-01-029-4196
NSN 6130-01-578-2370
NSN 5998-00-170-6756
NSN 7035-01-026-1171
NSN 5996-01-489-5494
NSN 5950-01-476-8171
NSN 4140-01-303-9041
NSN 4140-01-381-0099
NSN 6320-01-462-2295