NSN 6680-01-490-4443

Part Details | ELECTRICAL TACHOMETER INDICATOR

6680-01-490-4443 An instrument which displays, in units of revolutions per minute, the transmitted rotational speed of a shaft for a specified elapsed time.

Alternate Parts: PK4201, PK420-1, H7497721105, H749-7721-105, 4378357206011, 437-8357206-011, 4377015396105, 437-7015396-105, PK4201, PK420-1, B2094, 6680-01-490-4443, 01-490-4443, 6680014904443, 014904443

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
66SEP 27, 200101-490-444308260 ( INDICATOR, ELECTRICAL TACHOMETER )
REFERENCE DRAWINGS & PICTURES

FOUR HOLE/STUD RECTANGULAR/SQUARE

Cross Reference | NSN 6680-01-490-4443
Part Number Cage Code Manufacturer
PK420-112763DYNALEC CORPORATION
H749-7721-10596169ELECTRIC BOAT CORPORATION
437-8357206-01153711NAVAL SEA SYSTEMS COMMAND
437-7015396-10553711NAVAL SEA SYSTEMS COMMAND
PK420-120049THE ELECTRIC TACHOMETER CORP.
B209420049THE ELECTRIC TACHOMETER CORP.
Technical Data | NSN 6680-01-490-4443
Characteristic Specifications
CASE MATERIAL ALUMINUM
ELECTRICAL CONNECTION QUANTITY1
PRESENTATION TYPE DIGITAL DISPLAY
DISPLAY DIGIT QUANTITY6
CONTACT QUANTITY15
CONTACT TYPE SOCKET
MOUNTING FACILITY TYPE AND QUANTITY4 UNTHREADED HOLE
MOUNTING HOLE DIAMETER0.156 INCHES NOMINAL
MOUNTING ARRANGEMENT STYLE FOUR HOLE/STUD RECTANGULAR/SQUARE
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH4.500 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH2.120 INCHES NOMINAL
LENGTH5.000 INCHES NOMINAL
WIDTH2.750 INCHES NOMINAL
DEPTH5.750 INCHES NOMINAL
SPECIAL FEATURES120V AC LINE AND 120V AC NEUTRAL; +12 V DC OUTPUT
END ITEM IDENTIFICATIONLOS ANGELES CLASS SSN (688)
PART NAME ASSIGNED BY CONTROLLING AGENCYDIGITAL SHAFT REVOLUTION CONTROL WITH EMI SUPPRESSION AND HUMIDITY SEALING FEATURES MODEL PK420-1