End item: nuclear power equipment, when ordering part must have meter number and meter seral number, this info is on tag on meter
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 6110-00-193-0450
NSN 5965-00-791-0964
NSN 7035-01-463-3368
NSN 6685-01-321-1768
NSN 5905-00-377-3793
NSN 5998-00-108-5346
NSN 6320-01-512-2031
NSN 6145-00-729-9391
NSN 6240-01-447-4003
NSN 5960-00-707-3335
NSN 6220-00-484-4279
NSN 5950-01-092-6566