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 5999-00-505-2966
NSN 6645-01-363-1395
NSN 5835-01-056-9303
NSN 5999-00-051-1324
NSN 5960-00-104-5955
NSN 6105-00-338-6367
NSN 5975-01-264-3927
NSN 6685-00-366-6997
NSN 5920-00-420-1737
NSN 6145-01-044-7760
NSN 5999-00-836-8462
NSN 5990-00-891-8817