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 5945-00-689-6394
NSN 5920-01-342-3681
NSN 5985-00-351-4234
NSN 5925-01-649-6225
NSN 6135-01-068-0119
NSN 5996-01-640-6852
NSN 5960-01-423-1085
NSN 5985-00-941-1794
NSN 5930-01-400-6126
NSN 5975-00-399-6100
NSN 6320-01-607-1491
NSN 5999-00-541-9347