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 6220-00-754-3452
NSN 6240-01-184-6831
NSN 5855-01-252-5424
NSN 5999-00-363-6240
NSN 7035-00-490-0485
NSN 5990-01-206-3606
NSN 5975-01-614-2046
NSN 6110-01-254-3485
NSN 5998-00-389-8400
NSN 6620-00-600-9869
NSN 5925-01-389-3667
NSN 2925-01-090-2391