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 5960-00-445-3954
NSN 6145-01-420-8470
NSN 5925-01-442-8589
NSN 6320-01-033-6624
NSN 5975-01-576-0031
NSN 5985-01-549-8904
NSN 6610-01-117-2510
NSN 6320-01-605-7059
NSN 5985-01-473-0667
NSN 2925-00-056-7112
NSN 5960-00-271-1396
NSN 5895-01-182-6459