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 6645-01-316-4900
NSN 6240-01-251-3796
NSN 6150-01-167-8644
NSN 5920-01-495-7515
NSN 5920-01-534-7042
NSN 5950-01-315-1397
NSN 6150-01-630-6413
NSN 6105-00-099-8818
NSN 5998-01-089-3617
NSN 5990-01-583-2870
NSN 6145-01-448-6838
NSN 5920-01-181-5248