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 6220-00-543-4416
NSN 4140-00-816-8820
NSN 5950-01-322-4526
NSN 5996-00-800-7628
NSN 5996-01-413-7533
NSN 5915-01-013-2735
NSN 5975-01-591-4039
NSN 5905-00-900-5490
NSN 5990-01-188-7309
NSN 5950-01-505-7982
NSN 5895-01-430-2555
NSN 5920-01-538-6235