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 4140-01-395-2039
NSN 5975-00-921-4894
NSN 6150-01-437-1588
NSN 6685-00-982-2839
NSN 6320-01-434-6861
NSN 5950-00-772-3631
NSN 5950-00-959-4508
NSN 6685-01-144-6818
NSN 6610-00-015-9383
NSN 5990-01-507-1479
NSN 5920-01-174-2579
NSN 6685-00-213-8451