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 6240-00-542-6657
NSN 6110-01-607-5867
NSN 5975-00-909-5174
NSN 6145-01-112-9820
NSN 5920-01-303-6841
NSN 6105-01-237-2507
NSN 5975-01-076-3656
NSN 6320-01-386-9104
NSN 6645-01-327-2389
NSN 5990-01-649-4647
NSN 6105-00-253-3828
NSN 6145-01-423-0906