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 6650-01-391-6461
NSN 7035-01-604-9807
NSN 6110-01-111-8762
NSN 6220-01-555-8332
NSN 6320-01-506-9439
NSN 6105-01-329-7405
NSN 5835-01-464-7038
NSN 5915-01-451-8975
NSN 5930-00-832-1478
NSN 5999-01-054-5566
NSN 5920-01-367-2236
NSN 5895-01-571-0736