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 6650-00-249-5553
NSN 5835-00-177-2970
NSN 7035-00-135-4758
NSN 4140-00-107-8212
NSN 5998-00-114-9886
NSN 5965-00-230-8818
NSN 6320-00-937-5625
NSN 5925-00-777-4083
NSN 6105-00-993-1785
NSN 5950-01-152-1209
NSN 6135-00-635-9187
NSN 6685-01-340-3751