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 6320-01-512-2031
NSN 5925-01-158-5008
NSN 6130-01-556-1512
NSN 5960-01-120-6523
NSN 5905-01-603-6728
NSN 6130-01-452-7214
NSN 6110-01-643-1601
NSN 5999-01-593-8946
NSN 5920-01-381-1306
NSN 5905-01-341-4933
NSN 6650-01-027-1181
NSN 5998-01-572-4227