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 6620-00-087-7930
NSN 4140-01-232-5127
NSN 6145-00-914-5256
NSN 5996-01-440-9660
NSN 5960-00-347-7488
NSN 6620-01-428-7072
NSN 5835-01-602-0311
NSN 6685-01-634-0611
NSN 5975-01-123-0904
NSN 5998-00-434-4348
NSN 6240-01-356-2934
NSN 5915-01-122-9780