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 5925-00-332-0018
NSN 6320-01-207-9038
NSN 5945-01-630-7378
NSN 6135-00-865-4653
NSN 5855-01-337-0245
NSN 5905-00-520-8805
NSN 2925-00-428-6349
NSN 6240-01-448-6781
NSN 6620-01-032-3937
NSN 5965-01-338-7693
NSN 6610-00-953-4944
NSN 5930-01-170-5734