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 5835-00-168-4258
NSN 5965-01-456-6622
NSN 6135-00-196-5267
NSN 5945-01-139-2605
NSN 5998-01-096-2843
NSN 4140-00-517-7902
NSN 5920-01-472-6199
NSN 6145-01-539-1464
NSN 4140-01-029-7884
NSN 6610-00-149-1534
NSN 5915-00-874-7151
NSN 6145-00-582-1301