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 5999-00-366-0080
NSN 7035-01-379-8777
NSN 5895-01-332-7532
NSN 5975-01-519-2519
NSN 4140-00-862-3862
NSN 6650-01-109-3251
NSN 6320-00-306-0124
NSN 6240-01-152-2662
NSN 5996-01-559-6073
NSN 5920-01-155-1128
NSN 6150-01-025-1467
NSN 6685-00-469-0474