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 5999-01-187-6179
NSN 4140-01-441-0283
NSN 2925-00-651-7700
NSN 5895-01-041-2659
NSN 5915-00-136-5523
NSN 5965-00-670-2931
NSN 6620-01-642-7219
NSN 6130-00-147-6739
NSN 5990-01-179-1000
NSN 4140-00-051-3296
NSN 5930-01-023-8447
NSN 6320-01-170-4068