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 5920-00-231-8950
NSN 4140-01-394-6136
NSN 5905-01-571-9075
NSN 6685-01-464-3128
NSN 5930-01-025-5540
NSN 6135-01-367-6203
NSN 5965-01-283-6106
NSN 5960-01-536-9763
NSN 5960-01-381-2478
NSN 6135-01-026-9960
NSN 5920-00-908-1929
NSN 5960-01-165-1956