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 6650-00-107-8509
NSN 5965-01-504-2340
NSN 6620-01-038-7468
NSN 5999-01-401-5322
NSN 5985-00-079-2748
NSN 6685-00-982-4058
NSN 5998-01-209-4504
NSN 5915-01-080-9282
NSN 2925-01-190-3121
NSN 6685-00-347-0472
NSN 5960-00-912-1114
NSN 6320-00-116-3658