National Union NU 1625 VT136 Vacuum Tube Milspec Industrial NOS NIB 3rd Quarter BW38 These tubes all have small

These tubes all have small logos

These rectifiers test below the cusp

This lot of two new old stock

Tube One measured 80 while Tube Two measured 82 where minimum (65%) is 46 and 100% is 71

A nine out of ten

National Union NU 1625 VT136 Vacuum Tube Milspec Industrial NOS NIB 3rd Quarter BW38 These tubes all have smallThis new old stock, new in National Union 1625 VT 136 tested to spec on our Paul Hart calibrated TV7 U. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF IT'S NOT LISTED, WE MAY HAVE IT. PLEASE ALSO SEE OUT ETSY SISTER SITE "LOWTECHTWOO" AND OR CALL OR TEXT US AT 202 372 6931 IF YOU DO NOT SEE WHAT YOU NEED OR HAVE ANY QUESTIONS. 1. MOST FORMS OF SHIPPING EXCEPT MEDIA MAIL ARE AUTOMATICALLY INSURED UP TO $100. ETSY PURCHASE PROTECTION COVERS ITEMS UP TO