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 4140-01-485-3321
NSN 6685-00-134-8379
NSN 5960-01-245-6088
NSN 5920-00-919-8520
NSN 5999-01-112-0192
NSN 5996-00-065-2629
NSN 5985-00-511-4251
NSN 6685-01-139-4132
NSN 5950-01-288-5184
NSN 6220-00-450-4356
NSN 5835-00-690-8898
NSN 5975-01-445-4199