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 6645-01-251-0441
NSN 5998-00-471-0755
NSN 6320-01-046-5228
NSN 5910-00-689-6712
NSN 7035-00-215-3272
NSN 5975-01-545-6334
NSN 6105-01-097-7413
NSN 5925-01-529-1895
NSN 6220-01-152-0439
NSN 5998-01-649-5631
NSN 5945-01-245-2616
NSN 6620-01-369-5876