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 6320-01-215-6459
NSN 5975-00-456-2257
NSN 6145-01-509-9088
NSN 5998-00-051-9605
NSN 6135-01-579-3534
NSN 5835-01-647-6426
NSN 6135-01-551-0562
NSN 6150-00-350-5333
NSN 5950-00-149-0912
NSN 5835-01-350-0566
NSN 7035-01-199-6915
NSN 5910-01-342-2731