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 4140-00-173-0706
NSN 5999-01-398-1242
NSN 5975-01-014-5493
NSN 5945-01-264-9805
NSN 5905-01-275-8171
NSN 5990-01-432-4249
NSN 4140-01-567-0631
NSN 2925-00-373-8837
NSN 5835-01-193-3175
NSN 6320-01-116-3980
NSN 5950-01-063-7181
NSN 5910-01-315-8409