Commercial
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 5975-00-151-4097
NSN 5915-01-258-2165
NSN 5935-00-978-9177
NSN 5910-00-146-9466
NSN 6135-01-034-5202
NSN 5965-01-278-8218
NSN 6150-01-329-9343
NSN 5905-00-620-9377
NSN 6620-01-106-3553
NSN 6685-00-929-1185
NSN 6620-00-967-9684
NSN 5895-01-452-3156