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 5960-00-752-6175
NSN 6105-00-472-3808
NSN 5915-00-285-2213
NSN 4140-00-112-0630
NSN 5975-01-591-4092
NSN 5915-00-730-1471
NSN 6320-01-321-7658
NSN 5950-00-043-0886
NSN 5915-01-195-6083
NSN 5985-00-563-5961
NSN 6240-01-406-8694
NSN 2925-01-221-1191