PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

622Ammeter

Solartron Electronics Inc Weston Instruments Div · NSN 6625-00-186-1678 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-186-1678 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-186-1678. Primary manufacturer part number: 622.
Features
  • Ammeter — FSC 6625
  • Pointer Color: BLACK SINGLE INDICATOR ALL RANGES
  • Circuit Construction Type: NONELECTRONIC
  • Movement Suspension Method: JEWEL PIVOT BASE
  • Measurement Range: +0.0 TO 5.0 MICROAMPERES, DC SINGLE INDICATOR FIRST RANGE
  • Measurement Range: +0.0 TO 1000.0 MICROAMPERES, DC SINGLE INDICATOR SIXTH RANGE
  • Color: UNABLE TO DECODE
  • Dial Scale Marking Color: BLACK SINGLE INDICATOR ALL RANGES
Applications
  • Applications requiring Plastic construction
General Description

The Ammeter, cataloged under National Stock Number 6625-00-186-1678, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Solartron Electronics Inc Weston Instruments Div. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-186-1678
Primary Part Number622
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerSolartron Electronics Inc Weston Instruments Div
StatusCANCELLED
Pointer ColorBLACK SINGLE INDICATOR ALL RANGES
Circuit Construction TypeNONELECTRONIC
Movement Suspension MethodJEWEL PIVOT BASE
Measurement Range+0.0 TO 5.0 MICROAMPERES, DC SINGLE INDICATOR FIRST RANGE
Measurement Range+0.0 TO 1000.0 MICROAMPERES, DC SINGLE INDICATOR SIXTH RANGE
ColorUNABLE TO DECODE
Dial Scale Marking ColorBLACK SINGLE INDICATOR ALL RANGES
Scale Graduation TypeNONLINEAR SINGLE INDICATOR ALL RANGES
Measurement Range+0.0 TO 5.0 MICROAMPERES, DC SINGLE INDICATOR SECOND RANGE
Movement TypeMOVING COIL, PERMANENT MAGNET
Indicator TypeDIAL W/POINTER
Measurement Range+0.0 TO 200.0 MICROAMPERES, DC SINGLE INDICATOR FOURTH RANGE
Features ProvidedZERO ADJUSTER
Installation DesignHANDHELD
Scale Division Quantity100 SINGLE INDICATOR ALL RANGES
Sensitivity Rating50.0 MILLIVOLTS
Circuit Current for Which DesignedDC
Circuit Attachment Method and Quantity2 BINDING POST
Style DesignatorRECTANGULAR OR SQUARE
Nuclear Hardness Critical FeatureNONHARDENED
Measurement Range+0.0 TO 100.0 MICROAMPERES, DC SINGLE INDICATOR THIRD RANGE
Measurement Range+0.0 TO 500.0 MICROAMPERES, DC SINGLE INDICATOR FIFTH RANGE
MaterialPLASTIC
Accuracy in Percent-0.5 TO 0.5 AT FULL SCALE SINGLE INDICATOR ALL RANGES
Pointer ColorBLACK SINGLE INDICATOR ALL RANGES
Circuit Construction TypeNONELECTRONIC
Movement Suspension MethodJEWEL PIVOT BASE
Lifecycle & Compliance
Acquisition StatusCANCELLED
Successor6625-00-539-9089
HAZMATNo
Shelf Life Code0
Criticality CodeU
Unit of IssueEA
SMR CodeVU
Weight8.0000 lbs
Cube0.2308 cu ft
Verified Substitutes 12
Voltmeter
5895-01-500-298162-2 SUCCESSOR
Electronic Frequency Converter S
Telebyte, Inc.
6625-00-068-5560 INTERCHANGEABLE
Voltmeter
6625-00-193-0689 INTERCHANGEABLE
Ammeter
6625-00-231-0727 INTERCHANGEABLE
Ammeter
6625-00-232-9828 INTERCHANGEABLE
Voltmeter
6625-00-232-9829 INTERCHANGEABLE
Voltmeter
6625-00-539-9157 INTERCHANGEABLE
Ammeter
6625-00-557-5331 INTERCHANGEABLE
Voltmeter
6625-00-578-5351 INTERCHANGEABLE
Ammeter
Cross-Reference Index
Part NumberManufacturer
622 Solartron Electronics Inc Weston Instruments Div (USA)
248813 Solartron Electronics Inc Weston Instruments Div (USA)
1-126-90 Electrical Instrument Service Inc Dba Electrical Instrmnt Svce (USA)
Related Parts
SUCCESSOR 6625-00-539-9089 Voltmeter
5895-01-500-2981SUCCESSOR
ELECTRONIC FREQUENCY CONVERTER S
62-2
6625-00-068-5560INTERCHANGEABLE
VOLTMETER
6625-00-193-0689INTERCHANGEABLE
AMMETER
6625-00-231-0727INTERCHANGEABLE
AMMETER
6625-00-232-9828INTERCHANGEABLE
VOLTMETER
6625-00-232-9829INTERCHANGEABLE
VOLTMETER
6625-00-539-9157INTERCHANGEABLE
AMMETER
6625-00-557-5331INTERCHANGEABLE
VOLTMETER
6625-00-578-5351INTERCHANGEABLE
AMMETER
6625-00-649-3564INTERCHANGEABLE
AMMETER
6625-00-649-4050INTERCHANGEABLE
VOLTMETER

Frequently Asked Questions

What is NSN 6625-00-186-1678?

NSN 6625-00-186-1678 is a Ammeter, manufactured by Solartron Electronics Inc Weston Instruments Div, classified under FSC 6625 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6625-00-186-1678?

NSN 6625-00-186-1678 has 3 cross-referenced part numbers: 622 (Solartron Electronics Inc Weston Instruments Div), 248813 (Solartron Electronics Inc Weston Instruments Div), 1-126-90 (Electrical Instrument Service Inc Dba Electrical Instrmnt Svce).

What NSN replaces 6625-00-186-1678?

There are 12 known substitutes for 6625-00-186-1678: 6625-00-539-9089, 5895-01-500-2981, 6625-00-068-5560 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 622?

Key specifications for 622: Pointer Color: BLACK SINGLE INDICATOR ALL RANGES; Circuit Construction Type: NONELECTRONIC; Movement Suspension Method: JEWEL PIVOT BASE; Measurement Range: +0.0 TO 5.0 MICROAMPERES, DC SINGLE INDICATOR FIRST RANGE. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6625-00-186-1678 still in active supply?

NSN 6625-00-186-1678 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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