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 5985-01-518-0770
NSN 5920-01-174-2579
NSN 6110-00-150-2014
NSN 5930-01-411-6534
NSN 7035-01-487-6481
NSN 6150-01-240-5309
NSN 5950-01-090-5258
NSN 6110-01-142-0109
NSN 5996-01-622-5008
NSN 5999-01-116-2580
NSN 5920-00-499-8285
NSN 5930-01-509-5454