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 5925-00-477-2703
NSN 5975-00-688-4625
NSN 6130-01-408-7305
NSN 4140-01-107-5755
NSN 6110-00-227-0578
NSN 5925-00-833-8291
NSN 5925-00-136-0977
NSN 6135-01-199-1185
NSN 5915-00-312-8011
NSN 5990-00-681-2789
NSN 6240-01-576-8356
NSN 6145-00-202-8570