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 5975-00-186-8884
NSN 5990-01-369-6915
NSN 6320-01-204-2922
NSN 5960-01-313-0681
NSN 6110-00-984-4273
NSN 5915-01-633-9845
NSN 5910-01-575-5264
NSN 6135-01-579-3534
NSN 6145-01-072-3352
NSN 5855-00-089-3974
NSN 6645-00-230-4396
NSN 5996-01-010-8609