Two are required; used to hold the speech diaphram in place; sole source required by statute 6.302
No other part numbers with same form, fit, and function found.
NSN 6240-01-032-2408
NSN 4140-01-529-2846
NSN 5855-00-188-6747
NSN 5915-00-654-5794
NSN 5910-01-468-6632
NSN 5999-01-451-3076
NSN 6135-01-463-3898
NSN 5999-01-049-5261
NSN 5895-01-572-6258
NSN 6220-01-496-2032
NSN 6650-00-531-4482
NSN 6240-01-461-3629