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 6650-01-173-5651
NSN 5905-01-510-2073
NSN 6145-00-517-6666
NSN 6105-01-004-1010
NSN 5999-01-232-2906
NSN 6220-01-237-2488
NSN 5990-01-134-7756
NSN 7035-00-300-3208
NSN 5950-01-060-3239
NSN 5965-01-150-6315
NSN 5935-00-052-5260
NSN 5945-01-351-5354