A tapered item designed to plug temporarily, the end of a leaking boiler tube(s), condenser tube(s), and the like. Excludes plug, tube repair, expanding. See also cap-plug, radiator testing and plug, radiator test.
NSN 5990-01-649-4647
NSN 5950-01-213-0235
NSN 5990-01-013-3205
NSN 6650-00-267-0390
NSN 6145-01-303-8483
NSN 5998-01-049-5426
NSN 6645-00-369-4410
NSN 6110-01-418-5541
NSN 5960-01-515-4791
NSN 5998-01-440-1552
NSN 6135-00-235-1938
NSN 5915-01-287-3421