NSN 6620-01-322-7678

Part Details | ELECTRICAL TACHOMETER INDICATOR

6620-01-322-7678 An instrument which displays, in units of revolutions per minute, the transmitted rotational speed of a shaft for a specified elapsed time.

Alternate Parts: 100003429, 100-0034-29, RCA41A07, RCA41A-07, 100003429, 100-0034-29, RCA41A07, RCA41A-07, MU1, MU-1, MILI25623, MIL-I-25623, 6620-01-322-7678, 01-322-7678, 6620013227678, 013227678

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
66JUL 13, 199001-322-767808260 ( INDICATOR, ELECTRICAL TACHOMETER )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 6620-01-322-7678
Part Number Cage Code Manufacturer
100-0034-2906275ALLEN R C INSTRUMENTS INC
RCA41A-0706275ALLEN R C INSTRUMENTS INC
100-0034-2908AF1KELLY MANUFACTURING COMPANY
RCA41A-0708AF1KELLY MANUFACTURING COMPANY
MU-181349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
MIL-I-2562381349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
Technical Data | NSN 6620-01-322-7678
Characteristic Specifications
ELECTRICAL CONNECTION QUANTITY1
ELECTRICAL CONNECTION IDENTIFYING NUMBERMS33678-10SL-3P
PRESENTATION TYPE DIAL
INDIVIDUAL MARKINGPERCENT RPM
CURRENT TYPE AC
CONTACT QUANTITY3
CONTACT TYPE PIN
LENGTH5.000 INCHES NOMINAL
DIAMETER2.000 INCHES NOMINAL
SPECIAL FEATURESINDICATOR INCLUDES SUBDIAL SCALE WITH RANGE 0 TO 10% RPM; THE MAJOR SCALE HAS RANGE 0 TO 100% RPM; TOTAL SCALE RANGE OF INDICATOR 0 TO 110% RPM; HERMETICALLY SEALED CASE PER MS33639; TACH DESIGNED FOR USE WITH A TWO POLE TACH GENERATOR CONFORMING TO MIL-G-9398;WEIGHT APPROXIMATELY 1 LB; DIAL IS SCREENED WITH 100 PERCENT AT 9 O'CLOCK; DULL BLACK BACKGROUND PER FED-STD-595
END ITEM IDENTIFICATIONKC-135E, B52 AND C-130 ACFT
SUPPLEMENTARY FEATURESTECH ORDER 1C-135(K)-4 FIG 584
PART NAME ASSIGNED BY CONTROLLING AGENCYTACHOMETER