PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AB18Ammeter

General Electric Company · NSN 6625-00-624-8103 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-624-8103 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-624-8103. Primary manufacturer part number: AB18.
Features
  • Ammeter — FSC 6625
  • Color: UNABLE TO DECODE
  • Accuracy in Percent: -1.0 TO 1.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
  • Furnished Items and Quantity: CURRENT TRANSFORMER 1
  • Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY CIRCUIT AND SCALE REQUIREMENTS
  • Mounting Arrangement Style: FOUR HOLE/STUD RECTANGULAR/SQUARE
  • Meter Depth Behind Mounting Flange: 3.875 INCHES NOMINAL IN
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 3.375 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 6625-00-624-8103, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is General Electric Company. Government technical data includes 28 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-624-8103
Primary Part NumberAB18
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerGeneral Electric Company
StatusACTIVE
ColorUNABLE TO DECODE
Accuracy in Percent-1.0 TO 1.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Furnished Items and QuantityCURRENT TRANSFORMER 1
Reference Number Differentiating CharacteristicsAS DIFFERENTIATED BY CIRCUIT AND SCALE REQUIREMENTS
Mounting Arrangement StyleFOUR HOLE/STUD RECTANGULAR/SQUARE
Meter Depth Behind Mounting Flange3.875 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Length3.375 INCHES NOMINAL IN
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Circuit Current for Which DesignedAC
Mounting Facility Type and Quantity4 THREADED STUD(S)
Circuit Attachment Method and Quantity2 SOLDER STUD
Center to Center Distance Between Mounting Facilities Parallel to Width3.375 INCHES NOMINAL IN
Measurement Range+0.0 TO 800.0 AMPERES, AC SINGLE INDICATOR SINGLE RANGE
Sensitivity Rating250.0 MILLIVOLTS
Meter Body Diameter Behind Mounting Flange3.968 INCHES NOMINAL IN
Features ProvidedMAGNETIC SHIELD
Installation DesignPANEL
Style DesignatorRECTANGULAR FLUSH MTG
ColorUNABLE TO DECODE
Accuracy in Percent-1.0 TO 1.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Furnished Items and QuantityCURRENT TRANSFORMER 1
Reference Number Differentiating CharacteristicsAS DIFFERENTIATED BY CIRCUIT AND SCALE REQUIREMENTS
Mounting Arrangement StyleFOUR HOLE/STUD RECTANGULAR/SQUARE
Meter Depth Behind Mounting Flange3.875 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Length3.375 INCHES NOMINAL IN
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Circuit Current for Which DesignedAC
Mounting Facility Type and Quantity4 THREADED STUD(S)
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeLN
Verified Substitutes 3
6625-01-273-6611100211FCLB1JJF SUCCESSOR
Wattmeter
Yokogawa Corporation of America
6625-00-081-0126 INTERCHANGEABLE
Voltmeter
7310-00-592-528375012 INTERCHANGEABLE
Adapter Bar
The Vollrath Company, L.l.c. Div Vollrath
Cross-Reference Index
Part NumberManufacturer
AB18 General Electric Company (USA)
Related Parts
6625-01-273-6611SUCCESSOR
WATTMETER
100211FCLB1JJF
6625-00-081-0126INTERCHANGEABLE
VOLTMETER
7310-00-592-5283INTERCHANGEABLE
ADAPTER BAR
75012

Frequently Asked Questions

What is NSN 6625-00-624-8103?

NSN 6625-00-624-8103 is a Ammeter, manufactured by General Electric Company, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-624-8103?

NSN 6625-00-624-8103 has 1 cross-referenced part number: AB18 (General Electric Company).

What NSN replaces 6625-00-624-8103?

There are 3 known substitutes for 6625-00-624-8103: 6625-01-273-6611, 6625-00-081-0126, 7310-00-592-5283. Verify interchangeability with system specifications before substitution.

What are the specifications of AB18?

Key specifications for AB18: Color: UNABLE TO DECODE; Accuracy in Percent: -1.0 TO 1.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE; Furnished Items and Quantity: CURRENT TRANSFORMER 1; Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY CIRCUIT AND SCALE REQUIREMENTS. 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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