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 5910-01-616-8087
NSN 6220-00-079-2943
NSN 5985-00-109-2346
NSN 6110-01-349-3302
NSN 6685-01-523-9467
NSN 6145-01-197-7469
NSN 5996-00-117-4337
NSN 6135-01-522-3386
NSN 5935-01-129-0091
NSN 5999-00-189-0772
NSN 5915-00-504-9416
NSN 6150-00-793-3069