PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

370Ammeter

Electrical Instrument Service Inc Dba Electrical Instrmnt Svce · NSN 6625-00-720-3164 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-720-3164 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-720-3164. Primary manufacturer part number: 370.
Features
  • Ammeter — FSC 6625
  • Measurement Range: +0.0 TO 0.5 AMPERES, AC SINGLE INDICATOR FIRST RANGE
  • Circuit Attachment Method and Quantity: 7 BINDING POST
  • Circuit Current for Which Designed: AC AND DC
  • Movement Type: ELECTRODYNAMOMETER
  • Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY THE CIRCUIT CURRENT,MEASUREMENT RANGE AND STYLE
  • Measurement Range: +0.0 TO 0.5 AMPERES, DC SINGLE INDICATOR THIRD RANGE
  • Color: UNABLE TO DECODE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Ammeter, cataloged under National Stock Number 6625-00-720-3164, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Electrical Instrument Service Inc Dba Electrical Instrmnt Svce. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6625-00-720-3164
Primary Part Number370
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerElectrical Instrument Service Inc Dba Electrical Instrmnt Svce
StatusCANCELLED
Measurement Range+0.0 TO 0.5 AMPERES, AC SINGLE INDICATOR FIRST RANGE
Circuit Attachment Method and Quantity7 BINDING POST
Circuit Current for Which DesignedAC AND DC
Movement TypeELECTRODYNAMOMETER
Reference Number Differentiating CharacteristicsAS DIFFERENTIATED BY THE CIRCUIT CURRENT,MEASUREMENT RANGE AND STYLE
Measurement Range+0.0 TO 0.5 AMPERES, DC SINGLE INDICATOR THIRD RANGE
ColorUNABLE TO DECODE
Measurement Range+0.0 TO 1.0 AMPERES, AC SINGLE INDICATOR SECOND RANGE
Style DesignatorRECTANGULAR OR SQUARE
Accuracy in Percent-0.3 TO 0.3 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Measurement Range+0.0 TO 1.0 AMPERES, DC SINGLE INDICATOR FOURTH RANGE
Features ProvidedZERO ADJUSTER
Scale Selection MethodTERMINAL
Sensitivity Rating20.0 OHMS PER VOLT
Measurement Range+0.0 TO 0.5 AMPERES, AC SINGLE INDICATOR FIRST RANGE
Circuit Attachment Method and Quantity7 BINDING POST
Circuit Current for Which DesignedAC AND DC
Movement TypeELECTRODYNAMOMETER
Reference Number Differentiating CharacteristicsAS DIFFERENTIATED BY THE CIRCUIT CURRENT,MEASUREMENT RANGE AND STYLE
Measurement Range+0.0 TO 0.5 AMPERES, DC SINGLE INDICATOR THIRD RANGE
ColorUNABLE TO DECODE
Measurement Range+0.0 TO 1.0 AMPERES, AC SINGLE INDICATOR SECOND RANGE
Style DesignatorRECTANGULAR OR SQUARE
Lifecycle & Compliance
Acquisition StatusCANCELLED
Successor6625-01-180-5472 (179002)
HAZMATNo
Verified Substitutes 6
No Item Name Available
6625-01-180-5472179002 SUCCESSOR
Meter,electrical Frequency
Technology Dynamics, Inc. Dba Mid-Eastern Industries Division
6625-01-258-7065370-1P SUCCESSOR
Test Set,semiconductor Device
Tektronix, Inc.
6625-01-417-7958370 SUCCESSOR
Tester,safety,electrical Medical
Biotek Instruments, Inc. Dba Biotek Div Bio-Tek Instruments Llc Dba Biotek Instruments Inc.
6625-00-186-1732 INTERCHANGEABLE
Ammeter
6625-00-819-2142 INTERCHANGEABLE
Ammeter
Cross-Reference Index
Part NumberManufacturer
370 Electrical Instrument Service Inc Dba Electrical Instrmnt Svce (USA)
370 Solartron Electronics Inc Weston Instruments Div (USA)
Related Parts
SUCCESSOR 6625-01-180-5472 Meter,electrical Frequency · 179002
6625-00-801-1313SUCCESSOR
NO ITEM NAME AVAILABLE
6625-01-258-7065SUCCESSOR
TEST SET,SEMICONDUCTOR DEVICE
370-1P
6625-01-417-7958SUCCESSOR
TESTER,SAFETY,ELECTRICAL MEDICAL
370
6625-00-186-1732INTERCHANGEABLE
AMMETER
6625-00-819-2142INTERCHANGEABLE
AMMETER

Frequently Asked Questions

What is NSN 6625-00-720-3164?

NSN 6625-00-720-3164 is a Ammeter, manufactured by Electrical Instrument Service Inc Dba Electrical Instrmnt Svce, classified under FSC 6625 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6625-00-720-3164?

NSN 6625-00-720-3164 has 2 cross-referenced part numbers: 370 (Electrical Instrument Service Inc Dba Electrical Instrmnt Svce), 370 (Solartron Electronics Inc Weston Instruments Div).

What NSN replaces 6625-00-720-3164?

There are 6 known substitutes for 6625-00-720-3164: 6625-00-801-1313, 6625-01-180-5472, 6625-01-258-7065 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 370?

Key specifications for 370: Special Features: ALSO DESIGNED FOR NONMAGNETIC PANELS; Measurement Range: +0.0 TO 0.5 AMPERES, AC SINGLE INDICATOR FIRST RANGE; Circuit Attachment Method and Quantity: 7 BINDING POST; Overall Length: 5.750 INCHES NOMINAL IN. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6625-00-720-3164 still in active supply?

NSN 6625-00-720-3164 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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