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 5905-01-377-2592
NSN 5985-00-238-2595
NSN 5910-01-485-4251
NSN 5910-00-293-2389
NSN 5920-01-295-8343
NSN 6130-00-901-3194
NSN 6685-01-139-4944
NSN 6130-00-960-9158
NSN 4140-00-067-7460
NSN 6130-00-614-9961
NSN 6105-01-650-8083
NSN 5925-00-353-0612