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 6685-01-173-8846
NSN 6610-01-042-0917
NSN 4140-01-124-2954
NSN 6610-01-168-7943
NSN 5960-01-384-4603
NSN 5996-00-248-9201
NSN 4140-01-490-0200
NSN 6650-00-302-1407
NSN 5925-01-302-4266
NSN 4140-00-938-8664
NSN 6320-01-160-7757
NSN 6135-01-350-5845