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 5930-01-172-1449
NSN 5990-01-485-0260
NSN 6240-00-011-5273
NSN 5985-01-206-4729
NSN 5999-00-821-4394
NSN 5920-01-408-5881
NSN 6320-01-578-6006
NSN 6135-00-087-5300
NSN 6685-01-418-0925
NSN 5996-01-169-4794
NSN 6610-01-162-4882
NSN 5855-01-085-5354