PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

378-0471Ammeter

Continental Electronics Corp · NSN 6625-00-423-5345 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-423-5345 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-423-5345. Primary manufacturer part number: 378-0471.
Features
  • Ammeter — FSC 6625
  • Accuracy in Percent: -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
  • Measurement Range: +0.0 TO 4.0 AMPERES, DC SINGLE INDICATOR SINGLE RANGE
  • Indicator Type: DIAL W/POINTER
  • Mounting Arrangement Style: FOUR HOLE/STUD RECTANGULAR/SQUARE
  • Mounting Stud Length: 0.380 INCHES NOMINAL IN
  • Scale Division Quantity: 40 SINGLE INDICATOR SINGLE RANGE
  • Meter Body Diameter Behind Mounting Flange: 2.690 INCHES NOMINAL IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Ammeter, cataloged under National Stock Number 6625-00-423-5345, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Continental Electronics Corp. Government technical data includes 27 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-423-5345
Primary Part Number378-0471
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerContinental Electronics Corp
StatusACTIVE
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Measurement Range+0.0 TO 4.0 AMPERES, DC SINGLE INDICATOR SINGLE RANGE
Indicator TypeDIAL W/POINTER
Mounting Arrangement StyleFOUR HOLE/STUD RECTANGULAR/SQUARE
Mounting Stud Length0.380 INCHES NOMINAL IN
Scale Division Quantity40 SINGLE INDICATOR SINGLE RANGE
Meter Body Diameter Behind Mounting Flange2.690 INCHES NOMINAL IN
Meter Depth Behind Mounting Flange0.960 INCHES NOMINAL IN
FSC Application DataTEST SET,ELECT. EQUIP.
Circuit Current for Which DesignedDC
Sensitivity Rating200.0 MICROAMPERES
Installation DesignPANEL
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Circuit Construction TypeNONELECTRONIC
Supplementary FeaturesINTERNAL RES 425 OHMS
Style DesignatorRECTANGULAR FLUSH MTG
Circuit Attachment Method and Quantity2 THREADED STUD
Nuclear Hardness Critical FeatureNONHARDENED
Mounting Stud Diameter0.138 INCHES NOMINAL IN
Movement Suspension MethodJEWEL PIVOT BASE
Mounting Facility Type and Quantity4 THREADED STUD(S)
Features ProvidedKNIFE EDGE POINTER AND ZERO ADJUSTER
Power SourceEXTERNAL
Center to Center Distance Between Mounting Facilities Parallel to Width2.875 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Length2.875 INCHES NOMINAL IN
Movement TypeMOVING COIL, PERMANENT MAGNET
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeY
Verified Substitutes 4
6625-00-188-3739327T0-50DCUA SUCCESSOR
Ammeter
Triplett (bluffton) Corporation Dba Lfe Instruments
6625-00-189-7026378-0470 SUCCESSOR
Ammeter
Continental Electronics Corp
6625-00-649-3881531 INTERCHANGEABLE
Ammeter
Hoyt Electrical Instrument Works, Inc. Dba Hoyt Electrical Instrument Works Inc
5365-00-815-1228378047-1 INTERCHANGEABLE
Shim
Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix
Cross-Reference Index
Part NumberManufacturer
378-0471 PRIMARY Continental Electronics Corp (USA)
531 Phaostron Instrument and Electronic Company (USA)
Related Parts
6625-00-188-3739SUCCESSOR
AMMETER
327T0-50DCUA
6625-00-189-7026SUCCESSOR
AMMETER
378-0470
6625-00-649-3881INTERCHANGEABLE
AMMETER
531
5365-00-815-1228INTERCHANGEABLE
SHIM
378047-1

Frequently Asked Questions

What is NSN 6625-00-423-5345?

NSN 6625-00-423-5345 is a Ammeter, manufactured by Continental Electronics Corp, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-423-5345?

NSN 6625-00-423-5345 has 2 cross-referenced part numbers: 378-0471 (Continental Electronics Corp), 531 (Phaostron Instrument and Electronic Company).

What NSN replaces 6625-00-423-5345?

There are 4 known substitutes for 6625-00-423-5345: 6625-00-188-3739, 6625-00-189-7026, 6625-00-649-3881 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 378-0471?

Key specifications for 378-0471: Accuracy in Percent: -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE; Measurement Range: +0.0 TO 4.0 AMPERES, DC SINGLE INDICATOR SINGLE RANGE; Indicator Type: DIAL W/POINTER; Mounting Arrangement Style: FOUR HOLE/STUD RECTANGULAR/SQUARE. 30 total characteristics are documented in the Federal Logistics Information System.

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