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 5920-00-930-1212
NSN 6620-00-153-0982
NSN 5950-00-572-8594
NSN 6150-01-293-0383
NSN 5998-00-061-1295
NSN 5925-01-318-1082
NSN 5895-01-432-3386
NSN 5999-01-310-1728
NSN 5950-01-609-8601
NSN 6320-00-790-4844
NSN 6240-01-624-8924
NSN 6650-00-862-7143