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 5990-01-430-9177
NSN 5920-01-244-9996
NSN 6150-01-306-8959
NSN 6135-00-583-3966
NSN 6220-01-115-3027
NSN 6620-01-057-2580
NSN 6105-01-365-3404
NSN 5975-01-224-7209
NSN 5855-01-180-5369
NSN 5985-01-499-0742
NSN 2925-00-290-7052
NSN 6240-01-247-4805