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 5920-00-311-3953
NSN 6145-00-678-0429
NSN 5920-01-570-7359
NSN 6150-00-150-1763
NSN 6105-00-107-3315
NSN 6110-00-060-7704
NSN 5996-01-123-9038
NSN 5915-01-145-4989
NSN 6320-01-220-2264
NSN 5950-01-486-0991
NSN 5945-01-410-7778
NSN 6645-01-144-6415