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 5998-01-193-4384
NSN 4140-00-277-6285
NSN 5996-00-494-6920
NSN 5925-01-323-7756
NSN 7035-00-585-2113
NSN 6320-01-098-2503
NSN 5996-00-891-4036
NSN 6145-00-806-5333
NSN 5975-01-155-4856
NSN 4140-01-036-7178
NSN 5965-01-156-4478
NSN 5950-00-231-2894