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 5990-01-067-6015
NSN 6320-00-456-2092
NSN 5930-00-133-5685
NSN 4140-01-588-9119
NSN 5999-01-438-5741
NSN 5895-01-468-5582
NSN 5990-01-455-2919
NSN 5920-01-281-7354
NSN 6130-01-406-4308
NSN 5960-01-265-1393
NSN 6320-01-481-7322
NSN 2925-01-567-8027