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 5950-00-306-9409
NSN 5935-01-211-6420
NSN 5925-01-147-5368
NSN 5925-01-123-7852
NSN 6220-00-276-8681
NSN 5996-01-023-8370
NSN 5996-01-017-0337
NSN 5930-01-431-7501
NSN 6110-00-525-3418
NSN 6240-00-010-7334
NSN 5960-01-257-0225
NSN 5990-01-191-1772