PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MEX163Ammeter

Barnstead Thermolyne Corporation Dba Barnstead International Div Laboratory Equipment · NSN 6625-01-206-9966 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-01-206-9966 — this item is cataloged by the U.S. Government under National Stock Number 6625-01-206-9966. Primary manufacturer part number: MEX163.
Features
  • Ammeter — FSC 6625
  • Indicator Type: DIAL W/POINTER
  • Dial Scale Marking Color: BLACK SINGLE INDICATOR SINGLE RANGE
  • Circuit Current for Which Designed: DC
  • Meter Body Diameter Behind Mounting Flange: 2.680 INCHES MAXIMUM IN
  • Meter Depth Behind Mounting Flange: 1.063 INCHES NOMINAL IN
  • Accuracy in Percent: -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
  • Movement Type: MOVING COIL, PERMANENT MAGNET
Applications
  • Applications requiring Steel construction
General Description

The Ammeter, cataloged under National Stock Number 6625-01-206-9966, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Barnstead Thermolyne Corporation Dba Barnstead International Div Laboratory Equipment. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references 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. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-01-206-9966
Primary Part NumberMEX163
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerBarnstead Thermolyne Corporation Dba Barnstead International Div Laboratory Equipment
StatusACTIVE
Indicator TypeDIAL W/POINTER
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Circuit Current for Which DesignedDC
Meter Body Diameter Behind Mounting Flange2.680 INCHES MAXIMUM IN
Meter Depth Behind Mounting Flange1.063 INCHES NOMINAL IN
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Movement TypeMOVING COIL, PERMANENT MAGNET
Movement Suspension MethodJEWEL PIVOT BASE
Mounting Stud Diameter0.138 INCHES NOMINAL IN
Measurement Range+0.0 TO 18.0 MEGOHMS SINGLE INDICATOR SINGLE RANGE
Special Test FeaturesMEETS REQUIREMENTS OF MIL-M-10304
Mounting Facility Type and Quantity1 THREADED BEZEL AND 3 THREADED STUD(S)
Circuit Construction TypeNONELECTRONIC
ColorUNABLE TO DECODE
Special MarkingsSPECIFIC RESISTANCE; CM AT 25 DEG; CELL CONSTANT 0.01
MaterialSTEEL
Style DesignatorROUND FLUSH MTG
Scale Graduation TypeNONLINEAR SINGLE INDICATOR SINGLE RANGE
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Power SourceEXTERNAL
Circuit Attachment Method and Quantity2 SOLDER LUG
Features ProvidedELECTROSTATIC SHIELD AND MAGNETIC SHIELD AND ZERO ADJUSTER
FSC Application DataTEST SET,ELECT. EQUIP.
Nuclear Hardness Critical FeatureNONHARDENED
Overall Diameter3.510 INCHES NOMINAL IN
Installation DesignPANEL
Environmental ProtectionSHOCK RESISTANT AND VIBRATION RESISTANT
Panel for Which DesignedNONMAGNETIC
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6625-00-056-4544
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeY
Weight0.5000 lbs
Cube0.0180 cu ft
Verified Substitutes 12
Meter,replacement
6625-00-068-270520131011-105 SUCCESSOR
Ammeter
Jewell Instruments Llc
Voltmeter
6625-00-088-910692025-01 SUCCESSOR
Meter,modulation
Agilent Technologies, Inc. Div Agilent Technologies Headquarters
6625-00-182-7607S20031 SUCCESSOR
Meter,arbitrary Scale
Simpson Electric Company, Inc.
Test Set,electron Tube
6625-00-553-477860A21C78 SUCCESSOR
Ammeter
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
6625-00-623-302954B6835H13 SUCCESSOR
Meter,special Scale
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
6625-00-673-55581668281 SUCCESSOR
Voltmeter
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
6625-00-962-258732737 SUCCESSOR
Ammeter
Solar Turbines Incorporated Dba Solar Turbines Incorporated
Cross-Reference Index
Part NumberManufacturer
MEX163 Barnstead Thermolyne Corporation Dba Barnstead International Div Laboratory Equipment (USA)
908250 Barnstead Thermolyne Corporation Dba Barnstead International Div Laboratory Equipment (USA)
HS3Z Barnstead Thermolyne Corporation Dba Barnstead International Div Laboratory Equipment (USA)
Related Parts
SUCCESSOR 6625-00-056-4544 Meter,replacement
6625-00-068-2705SUCCESSOR
AMMETER
20131011-105
6625-00-068-3517SUCCESSOR
VOLTMETER
6625-00-088-9106SUCCESSOR
METER,MODULATION
92025-01
6625-00-182-7607SUCCESSOR
METER,ARBITRARY SCALE
S20031
6625-00-539-9722SUCCESSOR
TEST SET,ELECTRON TUBE
6625-00-553-4778SUCCESSOR
AMMETER
60A21C78
6625-00-623-3029SUCCESSOR
METER,SPECIAL SCALE
54B6835H13
6625-00-673-5558SUCCESSOR
VOLTMETER
1668281
6625-00-962-2587SUCCESSOR
AMMETER
32737
6625-00-988-1694SUCCESSOR
METER,ARBITRARY SCALE
C088106-001
6625-01-009-0497SUCCESSOR
METER,SPECIAL SCALE
638-E665

Frequently Asked Questions

What is NSN 6625-01-206-9966?

NSN 6625-01-206-9966 is a Ammeter, manufactured by Barnstead Thermolyne Corporation Dba Barnstead International Div Laboratory Equipment, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-01-206-9966?

NSN 6625-01-206-9966 has 3 cross-referenced part numbers: MEX163 (Barnstead Thermolyne Corporation Dba Barnstead International Div Laboratory Equipment), 908250 (Barnstead Thermolyne Corporation Dba Barnstead International Div Laboratory Equipment), HS3Z (Barnstead Thermolyne Corporation Dba Barnstead International Div Laboratory Equipment).

What NSN replaces 6625-01-206-9966?

There are 12 known substitutes for 6625-01-206-9966: 6625-00-056-4544, 6625-00-068-2705, 6625-00-068-3517 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MEX163?

Key specifications for MEX163: Indicator Type: DIAL W/POINTER; Dial Scale Marking Color: BLACK SINGLE INDICATOR SINGLE RANGE; Circuit Current for Which Designed: DC; Meter Body Diameter Behind Mounting Flange: 2.680 INCHES MAXIMUM IN. 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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