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 5920-01-634-0250
NSN 6130-01-646-2598
NSN 6320-01-435-5991
NSN 6320-01-527-0211
NSN 5985-01-167-8205
NSN 6220-01-632-8217
NSN 5998-00-670-0369
NSN 6135-00-919-1117
NSN 6135-01-428-8821
NSN 5998-00-180-8262
NSN 6685-01-202-7823
NSN 5920-01-430-2530