NSN 6620-00-556-1976

Part Details | ELECTRICAL TACHOMETER INDICATOR

6620-00-556-1976 An instrument which displays, in units of revolutions per minute, the transmitted rotational speed of a shaft for a specified elapsed time.

Alternate Parts: 1559C406, 1559C4-06, MU1, MU-1, MILI25623, MIL-I-25623, 6620-00-556-1976, 00-556-1976, 6620005561976, 005561976

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
66JAN 01, 196300-556-197608260 ( INDICATOR, ELECTRICAL TACHOMETER )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 6620-00-556-1976
Part Number Cage Code Manufacturer
1559C4-0689944KOLLSMAN, INC.
MU-181349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
MIL-I-2562381349MILITARY SPECIFICATIONSPROMULGATED BY MILITARY
Technical Data | NSN 6620-00-556-1976
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 ORDERS 1C-135(K)-4 FIG 584 AND 5E6-2-23-4
PART NAME ASSIGNED BY CONTROLLING AGENCYPERCENT RPM ELECTRIC TACHOMETER INDICATOR