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 5930-00-508-5944
NSN 5990-00-716-7796
NSN 5915-01-400-6125
NSN 5975-01-047-8591
NSN 5935-01-264-9264
NSN 6105-01-189-1552
NSN 5925-01-303-0932
NSN 5950-00-978-4722
NSN 5920-01-653-9512
NSN 6240-01-069-4711
NSN 6240-00-902-3121
NSN 6105-01-576-9045