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 5996-01-134-4185
NSN 5925-01-040-1779
NSN 5960-01-231-3484
NSN 6110-01-075-7675
NSN 5855-01-098-9038
NSN 6645-00-960-6594
NSN 5975-00-221-2555
NSN 2925-00-964-7128
NSN 6220-00-578-6539
NSN 5910-00-214-7004
NSN 6620-00-930-5615
NSN 6620-01-609-9513