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 5985-01-069-5025
NSN 5910-00-383-9557
NSN 6650-01-391-3334
NSN 5910-01-369-1749
NSN 5930-00-284-4181
NSN 6135-01-422-1440
NSN 6130-01-409-2640
NSN 6110-01-505-7908
NSN 6145-01-421-4257
NSN 4140-00-090-3624
NSN 5935-00-914-5161
NSN 5965-01-030-7253