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 5990-01-612-5323
NSN 5985-01-239-2764
NSN 5915-00-226-0910
NSN 6620-01-067-8336
NSN 5920-01-363-9397
NSN 6145-01-384-3748
NSN 6150-00-506-0941
NSN 5905-01-629-9727
NSN 6110-00-316-2311
NSN 6610-00-150-6408
NSN 6645-01-398-2505
NSN 6130-01-443-4061