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 6645-01-064-3711
NSN 6685-00-915-2645
NSN 6620-01-076-8706
NSN 6105-01-656-0530
NSN 6685-01-478-7574
NSN 6320-01-250-0290
NSN 5975-01-180-8029
NSN 6150-01-531-1033
NSN 6240-00-773-2872
NSN 5905-00-202-0998
NSN 6130-01-444-2946
NSN 6685-01-357-6358