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 5895-01-444-6216
NSN 6105-01-440-5369
NSN 5998-00-843-1125
NSN 5950-01-126-2197
NSN 6240-00-557-7471
NSN 4140-01-595-6428
NSN 6150-00-714-6151
NSN 5975-01-415-0918
NSN 5855-01-344-8688
NSN 5910-00-831-0350
NSN 6650-01-399-6141
NSN 6150-00-779-5547