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 5985-00-161-0619
NSN 6320-00-857-4073
NSN 4140-01-055-6190
NSN 6150-00-190-7874
NSN 7035-01-151-0265
NSN 4140-01-525-8158
NSN 5930-00-194-0748
NSN 4140-01-594-9410
NSN 5999-01-372-2265
NSN 7035-01-432-1163
NSN 5920-01-134-5445
NSN 5895-00-328-4580