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 4140-01-602-9257
NSN 6645-01-490-0325
NSN 5855-01-175-3990
NSN 6610-00-359-2226
NSN 6240-01-037-2215
NSN 6620-00-930-5680
NSN 5965-01-198-3256
NSN 5990-01-094-7740
NSN 5990-01-287-1682
NSN 5999-01-207-9740
NSN 5915-01-560-6795
NSN 5945-00-945-9948