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 5910-00-107-4338
NSN 5990-01-116-2181
NSN 6320-01-215-2284
NSN 5895-01-605-1464
NSN 6650-01-259-8452
NSN 6130-01-231-2119
NSN 2925-01-014-8007
NSN 6240-00-299-9819
NSN 5945-00-919-0375
NSN 6220-01-224-2108
NSN 5999-01-241-3988
NSN 5975-01-555-8712