unf 2a for sale, brand-new and used.

Up for your consideration is Qty 1 Vintage Hi Current Hi Voltage NOS Phase Control Power Silicon Controlled Rectifiers (SCR), also known as Thyristors. There are four (4)  identical NOS SCR's available.

2x Wafco Thread Ring Gages 1-12" UNF-2A NO GO LO PD .9382 GO PD .9441 Most were calibrated in the last year or two. Unknown exact calibration date. Came from a local machine shop that shut down.