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 2925-01-554-5246
NSN 5910-00-469-2923
NSN 5950-00-622-1017
NSN 6685-01-322-8516
NSN 6620-00-251-0569
NSN 5999-01-188-7225
NSN 5930-00-269-4996
NSN 5960-01-054-3752
NSN 6650-00-266-6808
NSN 6145-00-990-9700
NSN 6610-00-500-6944
NSN 6110-01-633-1761