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 5855-01-619-9240
NSN 5996-00-661-1151
NSN 5895-00-464-7583
NSN 5920-00-432-7643
NSN 5975-00-865-0208
NSN 5985-01-181-5420
NSN 6130-01-446-7404
NSN 6220-01-320-6938
NSN 4140-01-614-8945
NSN 5975-00-768-0306
NSN 6220-00-541-8515
NSN 5920-01-477-9261