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 6685-00-658-3022
NSN 6145-00-011-2390
NSN 6650-01-124-4314
NSN 6320-01-648-5538
NSN 6620-01-330-8802
NSN 5996-01-367-6557
NSN 5985-01-411-9618
NSN 7035-01-319-1379
NSN 6220-00-437-7851
NSN 5915-00-392-6420
NSN 5910-00-705-0830
NSN 6650-01-530-0589