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 6685-01-398-9807
NSN 6110-00-288-4179
NSN 6130-01-200-7450
NSN 5915-01-185-0198
NSN 4140-01-464-2499
NSN 5990-00-186-2445
NSN 5999-01-579-3295
NSN 5965-01-326-9860
NSN 6685-01-613-0295
NSN 6130-00-681-1496
NSN 6110-01-618-6981
NSN 5920-00-682-0500