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 5935-00-051-4900
NSN 5920-01-333-6235
NSN 4140-01-519-1289
NSN 5925-01-425-0959
NSN 5920-00-421-0991
NSN 5915-00-521-8410
NSN 6620-01-198-4468
NSN 4140-01-534-4561
NSN 5905-00-651-7272
NSN 6650-01-621-1575
NSN 6130-01-408-6201
NSN 5975-00-193-1696