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 6685-01-519-1013
NSN 6220-01-172-3620
NSN 6135-00-127-1683
NSN 5985-01-626-3743
NSN 2925-01-257-6225
NSN 6240-01-506-9294
NSN 5999-00-931-9504
NSN 6240-00-753-2031
NSN 5935-00-179-1758
NSN 5935-01-624-6328
NSN 6150-01-165-5659
NSN 5985-01-056-1837