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 5975-01-539-0929
NSN 5998-01-517-9294
NSN 5999-01-055-9502
NSN 5998-01-439-1200
NSN 6650-00-389-4111
NSN 6135-01-601-8657
NSN 5925-01-149-5474
NSN 5999-01-613-9897
NSN 5950-01-418-5983
NSN 5935-01-614-3993
NSN 5960-00-005-7132
NSN 6135-01-523-3198