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 5950-01-577-8485
NSN 5920-00-633-0123
NSN 5835-01-507-0731
NSN 6685-01-267-5726
NSN 5920-01-166-7421
NSN 5855-01-421-1440
NSN 5950-01-068-0193
NSN 5990-00-847-6957
NSN 6645-01-303-6792
NSN 6130-01-129-7070
NSN 7035-01-231-2450
NSN 2925-00-508-6032