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 5925-01-500-1352
NSN 5965-01-475-0666
NSN 6650-01-376-6965
NSN 6150-01-632-7285
NSN 6105-01-188-7292
NSN 4140-01-465-0705
NSN 6145-01-416-7386
NSN 6150-00-288-6245
NSN 5985-01-497-4306
NSN 5975-00-253-9743
NSN 6240-01-149-1428
NSN 6130-01-373-6557