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 6685-00-225-8571
NSN 4140-01-444-0543
NSN 6145-01-153-7197
NSN 5905-01-014-6894
NSN 5950-01-569-7795
NSN 5915-00-155-7626
NSN 6220-00-147-0035
NSN 5935-00-242-4988
NSN 5835-00-918-8169
NSN 5965-00-482-7945
NSN 5975-01-514-7605
NSN 5905-01-053-7977