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 5925-01-449-9771
NSN 6130-00-627-6644
NSN 6110-00-260-0130
NSN 5975-01-463-1725
NSN 6320-01-170-4068
NSN 6320-01-111-0960
NSN 6105-01-654-3555
NSN 5985-01-386-8102
NSN 6645-00-296-8310
NSN 6220-00-222-5663
NSN 5960-01-327-0334
NSN 5915-01-127-8628