Electron Tubes, Cross Index and Type Identification

c. Within a given numeric group, whenever the number (or the number and prefix if both exist) is identical, the sequence is alphabetic according to the letters appearing next after the number. (Note: "-" or "/" precedes in sequence any letter of the alphabet. )

d. When the alphabetic prefix, the numerical, and the first letter or letters following the numeral are the same, the further sequence is based upon the number next following, then the letter following that, etc. Example:

Mil-HDBK-213A 5 November 1963 1 1CL.C1 Vllly UUUU1UUC yubtrUUo recimcr Rpppi vinn ni'/inP nri VMic Rpr tlfior i icvci viiiy liiuuc yuocuuo iicniilcr l fl cwj tt" n inn ti i ho UU£ OVVl Lull illy LUUC Rpfpi vinn twin tricviP franiianptr r i-M i i icuci vmy Lwin uiuuc iicLjucnuy t,un Rp(" P 1 fi 1 i'vL in t T r no tri/viis f nam ncL-civiiiy lULN - in type iriuuc vcry cimilnr tA 7A4 nhcrilotp olliUlUI IU 1 r H) ULJbUlClC Receiving triode detector - caseium Miniature type 0D3 voltage regulator.

Voltage regulator, receiving Receiving voltage regulator Triode, gas, cold cathode Cold cathode relay tube for triggering Receiving voltage regulator MIL-HDBK-213A 5 November 1963 Tube Type Designation Other Number GLC1A, Navy Type A, WX3169 Receiving voltage regulator Diode voltage regulator Miniature type OA3 voltage regulator, (obsolete) Miniature voltage regulator. Diode voltage regulator. See OB2 SeeOC3 See OC3W Ruggedized OC3 Diode voltage regulator.

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