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 5996-00-971-6838
NSN 5999-00-940-8807
NSN 6610-01-341-4014
NSN 4140-01-367-5824
NSN 5990-00-905-6472
NSN 4140-01-138-4889
NSN 6220-01-343-4459
NSN 6240-01-366-6946
NSN 7035-00-631-3782
NSN 6240-00-989-2421
NSN 5999-01-623-4391
NSN 5950-01-495-1879