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 5975-00-756-8311
NSN 5945-01-249-4855
NSN 5925-01-550-9653
NSN 5920-00-489-2202
NSN 6320-01-465-2028
NSN 6685-00-104-7149
NSN 5920-01-394-5003
NSN 6650-01-218-9337
NSN 6145-01-162-4800
NSN 6130-01-534-0572
NSN 5835-00-936-8753
NSN 7035-01-033-3007