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 4140-01-431-9821
NSN 5895-00-222-4528
NSN 5935-00-535-8680
NSN 6320-01-215-6459
NSN 5999-01-607-0204
NSN 5950-01-192-8067
NSN 5996-01-621-5041
NSN 5965-00-871-8987
NSN 5855-01-379-3160
NSN 6220-00-337-6471
NSN 6130-01-328-8108
NSN 6650-01-212-3964