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 4140-00-258-2424
NSN 4140-00-770-8404
NSN 2925-01-513-9114
NSN 5855-01-447-3137
NSN 6650-01-296-0883
NSN 5855-00-138-2386
NSN 5975-01-481-5041
NSN 5910-00-636-4697
NSN 5910-00-086-5193
NSN 6320-01-283-1300
NSN 6150-01-238-0861
NSN 5965-01-440-9898