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 6105-00-228-1160
NSN 6685-01-148-5834
NSN 5985-00-161-5124
NSN 6110-01-090-0804
NSN 5999-01-507-6184
NSN 5915-01-145-5340
NSN 5895-01-113-6575
NSN 6320-00-284-1524
NSN 6110-00-280-2753
NSN 5935-00-590-2482
NSN 2925-01-485-6982
NSN 5990-01-378-7349