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 5895-01-504-1961
NSN 5960-01-085-7191
NSN 5985-01-067-8041
NSN 5960-01-013-2587
NSN 5960-01-641-5493
NSN 5950-01-585-6518
NSN 6650-01-632-7757
NSN 6650-01-121-5754
NSN 5950-00-484-9473
NSN 5985-01-463-5651
NSN 5996-01-463-8197
NSN 6130-01-629-7748