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 6645-01-398-9102
NSN 6320-00-925-0558
NSN 5998-01-563-0513
NSN 5915-01-139-0507
NSN 5925-01-254-2578
NSN 5910-01-581-8721
NSN 5835-00-764-4388
NSN 5975-01-647-4208
NSN 5920-01-659-8134
NSN 6240-00-497-2176
NSN 5950-01-422-8292
NSN 6220-01-559-2177