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 6240-00-672-2759
NSN 5998-01-367-8624
NSN 5895-01-346-1092
NSN 5975-00-882-6205
NSN 5996-01-497-8120
NSN 5975-01-390-5770
NSN 6130-01-626-6069
NSN 6685-01-281-8860
NSN 4140-01-142-6443
NSN 5855-01-299-2679
NSN 6650-01-127-9518
NSN 6105-01-146-2099