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 6240-00-737-2775
NSN 5925-01-332-6195
NSN 6240-00-140-4184
NSN 5960-01-379-7594
NSN 5975-00-351-7822
NSN 6150-00-623-6112
NSN 5915-01-447-7057
NSN 2925-01-391-9247
NSN 5985-00-152-6507
NSN 6320-01-230-8444
NSN 5985-00-636-3445
NSN 5930-01-418-3453