PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

622Ammeter

Solartron Electronics Inc Weston Instruments Div · NSN 6625-00-539-9157 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-539-9157 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-539-9157. Primary manufacturer part number: 622.
Features
  • Ammeter — FSC 6625
  • Accuracy in Percent: -0.5 TO 0.5 AT FULL SCALE ALL INDICATORS SINGLE RANGE
  • Measurement Range: +0.0 TO 50.0 MILLIAMPERES, DC SECOND INDICATOR SINGLE RANGE
  • Style Designator: RECTANGULAR OR SQUARE
  • Scale Division Quantity: 100 ALL INDICATORS SINGLE RANGE
  • Movement Type: MOVING COIL, PERMANENT MAGNET
  • Material: PLASTIC
  • Color: UNABLE TO DECODE
Applications
  • Applications requiring Plastic construction
General Description

The Ammeter, cataloged under National Stock Number 6625-00-539-9157, 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 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6625-00-539-9157
Primary Part Number622
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerSolartron Electronics Inc Weston Instruments Div
StatusACTIVE
Accuracy in Percent-0.5 TO 0.5 AT FULL SCALE ALL INDICATORS SINGLE RANGE
Measurement Range+0.0 TO 50.0 MILLIAMPERES, DC SECOND INDICATOR SINGLE RANGE
Style DesignatorRECTANGULAR OR SQUARE
Scale Division Quantity100 ALL INDICATORS SINGLE RANGE
Movement TypeMOVING COIL, PERMANENT MAGNET
MaterialPLASTIC
ColorUNABLE TO DECODE
Movement Suspension MethodJEWEL PIVOT BASE
Sensitivity Rating40.0 MILLIVOLTS AND 49.0 MILLIVOLTS AND 50.0 MILLIVOLTS
Measurement Range+0.0 TO 500.0 MILLIAMPERES, DC THIRD INDICATOR SINGLE RANGE
Dial Scale Marking ColorBLACK ALL INDICATORS SINGLE RANGE
Measurement Range+0.5 TO 5.0 MILLIAMPERES, DC FIRST INDICATOR SINGLE RANGE
Features ProvidedZERO ADJUSTER
Circuit Attachment Method and Quantity2 BINDING POST
Circuit Current for Which DesignedDC
Scale Selection MethodSWITCH
Accuracy in Percent-0.5 TO 0.5 AT FULL SCALE ALL INDICATORS SINGLE RANGE
Measurement Range+0.0 TO 50.0 MILLIAMPERES, DC SECOND INDICATOR SINGLE RANGE
Style DesignatorRECTANGULAR OR SQUARE
Scale Division Quantity100 ALL INDICATORS SINGLE RANGE
Movement TypeMOVING COIL, PERMANENT MAGNET
MaterialPLASTIC
ColorUNABLE TO DECODE
Movement Suspension MethodJEWEL PIVOT BASE
Sensitivity Rating40.0 MILLIVOLTS AND 49.0 MILLIVOLTS AND 50.0 MILLIVOLTS
Measurement Range+0.0 TO 500.0 MILLIAMPERES, DC THIRD INDICATOR SINGLE RANGE
Dial Scale Marking ColorBLACK ALL INDICATORS SINGLE RANGE
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6625-00-539-9089
HAZMATNo
Verified Substitutes 12
Voltmeter
5895-01-500-298162-2 SUCCESSOR
Electronic Frequency Converter S
Telebyte, Inc.
6625-00-068-5560 INTERCHANGEABLE
Voltmeter
6625-00-186-1678 INTERCHANGEABLE
Ammeter
6625-00-193-0689 INTERCHANGEABLE
Ammeter
6625-00-231-0727 INTERCHANGEABLE
Ammeter
6625-00-232-9828 INTERCHANGEABLE
Voltmeter
6625-00-232-9829 INTERCHANGEABLE
Voltmeter
6625-00-557-5331 INTERCHANGEABLE
Voltmeter
6625-00-578-5351 INTERCHANGEABLE
Ammeter
Cross-Reference Index
Part NumberManufacturer
622 Solartron Electronics Inc Weston Instruments Div (USA)
Related Parts
SUCCESSOR 6625-00-539-9089 Voltmeter
5895-01-500-2981SUCCESSOR
ELECTRONIC FREQUENCY CONVERTER S
62-2
6625-00-068-5560INTERCHANGEABLE
VOLTMETER
6625-00-186-1678INTERCHANGEABLE
AMMETER
6625-00-193-0689INTERCHANGEABLE
AMMETER
6625-00-231-0727INTERCHANGEABLE
AMMETER
6625-00-232-9828INTERCHANGEABLE
VOLTMETER
6625-00-232-9829INTERCHANGEABLE
VOLTMETER
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 6625-00-539-9157?

NSN 6625-00-539-9157 is a Ammeter, manufactured by Solartron Electronics Inc Weston Instruments Div, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-539-9157?

NSN 6625-00-539-9157 has 1 cross-referenced part number: 622 (Solartron Electronics Inc Weston Instruments Div).

What NSN replaces 6625-00-539-9157?

There are 12 known substitutes for 6625-00-539-9157: 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: Accuracy in Percent: -0.5 TO 0.5 AT FULL SCALE ALL INDICATORS SINGLE RANGE; Measurement Range: +0.0 TO 50.0 MILLIAMPERES, DC SECOND INDICATOR SINGLE RANGE; Style Designator: RECTANGULAR OR SQUARE; Scale Division Quantity: 100 ALL INDICATORS SINGLE RANGE. 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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