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 4140-01-251-4367
NSN 5996-00-973-3604
NSN 5950-01-188-2574
NSN 6110-01-500-2240
NSN 5945-00-170-5885
NSN 6650-00-915-8545
NSN 5960-01-269-6045
NSN 6145-01-465-3733
NSN 5960-01-384-4603
NSN 5985-01-542-8791
NSN 6620-00-802-7164
NSN 5975-01-250-8818