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 6130-00-921-0160
NSN 4140-00-064-7847
NSN 6685-00-788-7599
NSN 6145-00-462-7222
NSN 5935-00-156-3697
NSN 5910-00-891-2660
NSN 6650-01-158-6888
NSN 5999-01-581-2632
NSN 6685-00-816-4492
NSN 5996-00-044-3254
NSN 4140-01-005-5364
NSN 5855-01-304-3064