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 4140-01-408-7232
NSN 5910-01-108-6830
NSN 5920-00-235-8373
NSN 6645-00-892-1605
NSN 6240-00-349-9323
NSN 5905-01-519-9021
NSN 6320-01-350-5570
NSN 5945-01-210-8060
NSN 5855-01-392-1110
NSN 5975-01-406-3620
NSN 5945-00-781-9401
NSN 5950-01-121-7627