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 5915-01-447-3151
NSN 5895-01-012-6037
NSN 5910-01-452-3300
NSN 4140-00-891-3009
NSN 6685-01-181-7203
NSN 5905-01-063-9896
NSN 5965-01-199-8362
NSN 7035-00-574-4223
NSN 5975-01-423-2152
NSN 5950-01-295-7709
NSN 5855-01-570-0989
NSN 5985-00-394-0889