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 5999-00-727-0465
NSN 5975-00-064-1886
NSN 6105-01-155-0160
NSN 6240-00-054-6540
NSN 5915-01-271-3028
NSN 6145-00-360-2415
NSN 5920-00-345-5833
NSN 5950-00-737-6164
NSN 5925-00-170-4090
NSN 6650-00-816-6525
NSN 5905-01-243-0733
NSN 5999-01-522-1650