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 5985-00-771-4074
NSN 5985-01-598-3395
NSN 6620-00-228-4986
NSN 5915-00-358-2407
NSN 6610-01-109-1826
NSN 2925-01-312-9502
NSN 6645-01-299-7806
NSN 6685-00-050-3697
NSN 5975-01-270-4566
NSN 5965-01-221-0569
NSN 6150-00-840-9424
NSN 6150-01-516-9807