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 6150-00-233-9459
NSN 6240-00-275-1950
NSN 5975-00-811-0946
NSN 6135-01-651-7287
NSN 6135-00-078-9931
NSN 5985-00-231-5348
NSN 5855-01-208-1471
NSN 5998-00-111-1122
NSN 5990-01-116-2181
NSN 6130-01-630-6238
NSN 5920-00-665-3973
NSN 5945-00-923-8089