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 4140-01-127-0032
NSN 6320-00-456-0836
NSN 6650-01-366-4663
NSN 5965-00-068-4812
NSN 5960-01-104-3426
NSN 2925-01-197-7864
NSN 6145-00-040-9976
NSN 5998-01-364-0633
NSN 6105-01-153-2302
NSN 5975-01-161-1033
NSN 5835-01-414-3258
NSN 6620-01-067-9285