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 5960-01-240-3266
NSN 5999-00-592-0978
NSN 6320-01-323-7565
NSN 5915-00-350-1798
NSN 5910-00-170-5534
NSN 4140-01-338-2154
NSN 5925-00-111-1969
NSN 6240-01-131-8361
NSN 2925-01-342-1712
NSN 7035-01-381-6185
NSN 5985-00-864-5204
NSN 5895-01-358-6897