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 7035-01-068-4175
NSN 4140-01-424-3271
NSN 5935-01-210-1860
NSN 5999-01-159-6373
NSN 6645-01-546-3212
NSN 6145-01-062-4200
NSN 6220-01-380-2984
NSN 6320-00-925-0558
NSN 5895-01-448-6400
NSN 5999-01-360-1530
NSN 6685-01-627-2861
NSN 5999-01-463-3026