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 5915-00-027-2757
NSN 6135-01-056-4609
NSN 6240-00-244-0483
NSN 5905-01-605-1283
NSN 5930-01-370-9973
NSN 5975-01-158-6150
NSN 5925-00-629-1974
NSN 5915-00-173-5000
NSN 5999-01-502-1489
NSN 2925-00-800-4685
NSN 5935-00-516-5251
NSN 6240-00-391-6402