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 7035-00-140-3070
NSN 5935-01-080-2304
NSN 6650-01-479-1297
NSN 5996-00-819-0389
NSN 6145-00-833-7753
NSN 5975-01-306-4701
NSN 5935-01-605-3243
NSN 6110-01-598-1227
NSN 6105-00-567-6128
NSN 6130-01-482-5639
NSN 5999-01-239-2801
NSN 2925-01-359-4027