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 5975-01-378-0717
NSN 5950-00-453-6175
NSN 5930-00-063-2003
NSN 4140-01-436-0774
NSN 2925-00-275-1807
NSN 5975-01-401-5355
NSN 5999-01-549-3954
NSN 6110-01-027-0091
NSN 6240-01-350-3533
NSN 5835-01-555-8963
NSN 5895-01-162-4250
NSN 5855-01-569-2994