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 6320-00-284-1524
NSN 5930-00-111-8643
NSN 6110-01-512-1537
NSN 4140-00-577-3512
NSN 5985-01-105-7679
NSN 5895-01-017-7574
NSN 5998-01-220-8133
NSN 5998-01-077-4365
NSN 6130-01-142-2698
NSN 6610-01-653-2733
NSN 6320-01-296-3181
NSN 5985-01-602-2375