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 4140-00-505-1684
NSN 5998-01-270-4049
NSN 6105-01-316-0853
NSN 5999-01-198-2992
NSN 6685-00-863-6350
NSN 2925-00-964-7128
NSN 5965-00-393-1294
NSN 5925-01-540-6008
NSN 6240-00-509-2485
NSN 6620-01-542-5569
NSN 6220-00-192-1164
NSN 5950-00-554-4870