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 5975-01-420-0404
NSN 6135-01-050-3194
NSN 5950-01-501-6316
NSN 5965-00-861-6033
NSN 5895-01-587-3223
NSN 6135-00-078-9931
NSN 5960-01-332-8469
NSN 5930-01-512-1232
NSN 5998-01-461-2450
NSN 6105-01-500-9617
NSN 5975-01-219-3401
NSN 5998-00-852-2062