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Technical Data Sheet
H6678 ✓ Verified by PartsTable
· MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

THERMAL RELEASE,CIRCUIT BREAKER. Key specifications include color: GRAY, HAMMERTONE, material: ALUMINUM ALLOY 3003, overall_width: 19.000 INCHES NOMINAL IN, overall_height: 6.968 INCHES NOMINAL IN, special_features: TEMPER H14, storage_facility: PREFERRED DOCK LEVEL UNHEATED WAREHOUSE GENERAL PURPOSE AND ALTERNATE GROUND LEVEL UNHEATED WAREHOUSE GENERAL PURPOSE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-650-9030, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
MRO MRO_GENERAL H6678
NSN: 6625-00-650-9030
FSC: 6625
CAGE: 47496 — THE DEWEY ELECTRONICS CORPORATION DIV PITOMETER LOG DIVISION (USA)
SPECIFICATIONS
colorGRAY, HAMMERTONE
materialALUMINUM ALLOY 3003
overall_width19.000 INCHES NOMINAL IN
overall_height6.968 INCHES NOMINAL IN
special_featuresTEMPER H14
storage_facilityPREFERRED DOCK LEVEL UNHEATED WAREHOUSE GENERAL PURPOSE AND ALTERNATE GROUND LEVEL UNHEATED WAREHOUSE GENERAL PURPOSE
style_designatorBLANK, PLAIN DESIGN
surface_treatmentENAMEL
material_thickness0.125 INCHES NOMINAL IN
end_item_identification404L TRAFFIC CONTROL AND LAND SYSTEM
standard_mounting_pattern_designatorOPEN SLOT
NSN6625-00-650-9030
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available THERMAL RELEASE,CIRCUIT BREAKER TITLE COMPONENT PN H6678 MFR THERMAL RELEASE,CIRCUI
KEY FEATURES
GENERAL CHARACTERISTICS ITEM DESCRIPTION: METER MOVEMENT INDICATOR,4-1/2 IN. DIA DEVIATION DIAL,4-1/2 IN. DIA FREQ DRIFT DIAL,RANGE,PEAK FREQUENCYDEVIATION 0 TO 30 CPS,0 TO 100 CPS,0TO 300 CPS,0 TO 1000 CPS,FREQUENCY DRIFT P/M 10 KCS,P/M 100 KCS,UNITS OF GRADUATION,PEAK FREQUENCY DEVIA- TION 2 CPS,2 CPS,20 CPS,FREQUENCY DRIFT 0.4 KCS,4.0 KCS,MARKINGS,PEAKFREQUENCY DEVIATION MARKED W/FIDUCIARYLINES IN 2 SCALES,0-100 AND 0-30,FREQUENCY DRIFT MARKED W/FIDUCIARY LINES IN ONE SCALE,ZERO CENTER,M10 LEFT,10 RIGHT,AC 115 P/M 10 V,50 TO65 CPS OR 380 TO 420 CPS,SINGLE PHASE,450 VOLT-AMPERES,O/A DIM.,18-3/8 IN. LG X 13-9/16 IN. W X 13-1/2 IN. H,ACCESSORIES 1 BOOK INSTRUCTION,4 CABLE ASSEMBLY,RADIO FREQUENCY,CG-1653A/U/-FT-IN/,CONTAINS THE DC POWER SUPPLIES WHICH SUPPLY THE POWER TO TEST SET,RADAR AN/UPM-72 AND PAREN V
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONMETER MOVEMENT INDICATOR,4-1/2 IN. DIA DEVIATION DIAL,4-1/2 IN. DIA FREQ DRIFT DIAL,RANGE,PEAK FREQUENCYDEVIATION 0 TO 30 CPS,0 TO 100 CPS,0TO 300 CPS,0 TO 1000 CPS,FREQUENCY DRIFT P/M 10 KCS,P/M 100 KCS,UNITS OF GRADUATION,PEAK FREQUENCY DEVIA- TION 2 CPS,2 CPS,20 CPS,FREQUENCY DRIFT 0.4 KCS,4.0 KCS,MARKINGS,PEAKFREQUENCY DEVIATION MARKED W/FIDUCIARYLINES IN 2 SCALES,0-100 AND 0-30,FREQUENCY DRIFT MARKED W/FIDUCIARY LINES IN ONE SCALE,ZERO CENTER,M10 LEFT,10 RIGHT,AC 115 P/M 10 V,50 TO65 CPS OR 380 TO 420 CPS,SINGLE PHASE,450 VOLT-AMPERES,O/A DIM.,18-3/8 IN. LG X 13-9/16 IN. W X 13-1/2 IN. H,ACCESSORIES 1 BOOK INSTRUCTION,4 CABLE ASSEMBLY,RADIO FREQUENCY,CG-1653A/U/-FT-IN/,CONTAINS THE DC POWER SUPPLIES WHICH SUPPLY THE POWER TO TEST SET,RADAR AN/UPM-72 AND PAREN V
GENERAL CHARACTERISTICS ITEM DESCRIPTIONMETER MOVEMENT INDICATOR,4-1/2 IN. DIA DEVIATION DIAL,4-1/2 IN. DIA FREQ DRIFT DIAL,RANGE,PEAK FREQUENCYDEVIATION 0 TO 30 CPS,0 TO 100 CPS,0TO 300 CPS,0 TO 1000 CPS,FREQUENCY DRIFT P/M 10 KCS,P/M 100 KCS,UNITS OF GRADUATION,PEAK FREQUENCY DEVIA- TION 2 CPS,2 CPS,20 CPS,FREQUENCY DRIFT 0.4 KCS,4.0 KCS,MARKINGS,PEAKFREQUENCY DEVIATION MARKED W/FIDUCIARYLINES IN 2 SCALES,0-100 AND 0-30,FREQUENCY DRIFT MARKED W/FIDUCIARY LINES IN ONE SCALE,ZERO CENTER,M10 LEFT,10 RIGHT,AC 115 P/M 10 V,50 TO65 CPS OR 380 TO 420 CPS,SINGLE PHASE,450 VOLT-AMPERES,O/A DIM.,18-3/8 IN. LG X 13-9/16 IN. W X 13-1/2 IN. H,ACCESSORIES 1 BOOK INSTRUCTION,4 CABLE ASSEMBLY,RADIO FREQUENCY,CG-1653A/U/-FT-IN/,CONTAINS THE DC POWER SUPPLIES WHICH SUPPLY THE POWER TO TEST SET,RADAR AN/UPM-72 AND PAREN V
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
PA1104HGInterchangeable
interchangeable cross-reference
interchangeable
1001-042Interchangeable
interchangeable cross-reference
interchangeable
73B10017Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is H6678?
H6678 is a THERMAL RELEASE,CIRCUIT BREAKER. It is classified as a MRO (MRO_GENERAL).
What parts can replace H6678?
There are 3 known substitutes for H6678: PA1104HG, 1001-042, 73B10017. Substitute compatibility should be verified for your specific system.
What is the NSN for H6678?
H6678 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-650-9030. This indicates validated use in U.S. government and defense supply chains.
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