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 5975-00-119-3977
NSN 6650-01-246-4262
NSN 5925-00-959-4983
NSN 5945-00-144-1781
NSN 6130-01-045-7968
NSN 6610-01-335-3185
NSN 5990-01-565-2226
NSN 5950-00-089-4121
NSN 6240-01-633-9357
NSN 5960-01-355-2968
NSN 6685-00-135-6791
NSN 5915-01-292-7903