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 6645-01-308-9349
NSN 5920-01-455-4835
NSN 5910-01-457-8934
NSN 5999-00-981-1988
NSN 5905-01-369-0142
NSN 6320-01-512-2031
NSN 5975-00-328-7922
NSN 5925-01-485-5070
NSN 2925-00-041-0439
NSN 5996-00-144-7300
NSN 5960-00-601-3118
NSN 2925-01-437-9041