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 5996-01-415-1028
NSN 6240-01-572-4233
NSN 6610-01-070-9411
NSN 6620-01-339-9404
NSN 6130-01-525-1682
NSN 4140-01-469-7519
NSN 5925-00-490-5161
NSN 5960-00-863-6035
NSN 5960-01-201-5804
NSN 6685-01-068-0346
NSN 5855-00-885-8452
NSN 6610-01-012-4081