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 4140-00-678-8443
NSN 6650-01-615-4237
NSN 5895-00-637-2658
NSN 5910-01-551-8896
NSN 5935-00-006-4087
NSN 6685-01-323-5272
NSN 6130-00-525-9975
NSN 5990-01-097-4721
NSN 5960-01-046-8308
NSN 5975-01-367-1639
NSN 5905-01-502-7028
NSN 6150-01-355-1228