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 5910-01-456-9541
NSN 5910-00-739-8579
NSN 5905-00-642-2587
NSN 5895-01-057-3968
NSN 6610-00-292-9895
NSN 6645-01-269-8377
NSN 5935-00-539-9178
NSN 6685-01-135-4357
NSN 5975-01-215-8796
NSN 5985-00-279-4956
NSN 5960-00-349-7650
NSN 5855-00-990-0701