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 5998-01-333-4208
NSN 5998-01-423-9323
NSN 6645-00-171-9639
NSN 6620-01-454-8926
NSN 5855-01-425-6340
NSN 5935-00-504-5968
NSN 6145-01-197-7469
NSN 6220-01-173-7860
NSN 5975-00-526-4701
NSN 5960-01-395-9834
NSN 5950-01-223-6346
NSN 4140-01-311-8812