No other part numbers with same form, fit, and function found.
A spring steel ringlike item designed to be placed between a piston ring and the piston to maintain the correct piston ring pressure against the cylinder wall.
NSN 2925-01-324-3533
NSN 5915-01-348-2242
NSN 5925-00-525-4037
NSN 5998-00-633-5169
NSN 5950-01-271-1753
NSN 5915-01-200-6338
NSN 6105-01-640-6313
NSN 6105-00-055-5934
NSN 5998-00-881-9461
NSN 5895-00-988-3472
NSN 5965-01-552-1471
NSN 2925-01-523-3607