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 5975-01-524-0234
NSN 6130-01-129-1342
NSN 5855-00-079-2370
NSN 5855-00-479-9819
NSN 5920-00-629-0442
NSN 6240-01-317-1382
NSN 5910-00-184-8249
NSN 6685-01-536-2538
NSN 5905-01-091-5138
NSN 5895-01-530-7001
NSN 6130-01-178-6409
NSN 5895-00-116-6508