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 5975-01-136-8299
NSN 5960-01-449-1310
NSN 5905-00-179-9596
NSN 5910-01-588-3912
NSN 6320-01-362-9518
NSN 5895-01-409-2949
NSN 5910-01-022-0506
NSN 5965-00-170-8676
NSN 5905-01-181-2699
NSN 6145-01-283-4734
NSN 5930-01-432-4164
NSN 5935-01-408-5118