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 6135-00-262-6807
NSN 4140-00-215-8593
NSN 5935-00-259-7723
NSN 5960-00-772-2994
NSN 5998-01-529-6739
NSN 5985-01-466-4177
NSN 6145-01-310-5301
NSN 6320-00-242-3300
NSN 5910-01-439-4734
NSN 6320-00-456-0836
NSN 5950-01-107-5241
NSN 6130-01-647-4909