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 5998-01-507-0792
NSN 6240-00-275-1950
NSN 6620-01-176-6956
NSN 5945-01-464-0421
NSN 2925-01-424-0235
NSN 6685-01-041-2188
NSN 5895-01-565-8786
NSN 6220-01-486-1892
NSN 6130-00-466-1125
NSN 5975-01-611-8270
NSN 5930-01-092-5064
NSN 2925-01-326-0908