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 5930-01-215-0802
NSN 5998-01-559-2929
NSN 4140-00-213-9937
NSN 6240-01-554-4548
NSN 6650-01-501-2807
NSN 6220-00-781-0451
NSN 6685-00-444-6093
NSN 5915-00-100-4299
NSN 6105-01-520-8951
NSN 5996-01-146-4202
NSN 6105-01-649-3117
NSN 6620-01-259-5944