PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MILM6Ammeter

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 6625-00-668-5114 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-668-5114 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-668-5114. Primary manufacturer part number: MILM6.
Features
  • Ammeter — FSC 6625
  • Style Designator: ROUND FLUSH MTG
  • Meter Depth Behind Mounting Flange: 1.600 INCHES NOMINAL IN
  • FSC Application Data: TEST SET,ELECT. EQUIP.
  • Meter Body Diameter Behind Mounting Flange: 2.210 INCHES NOMINAL IN
  • Movement Type: MOVING COIL, PERMANENT MAGNET
  • Overall Diameter: 2.695 INCHES NOMINAL IN
  • Mounting Bolt Circle Diameter: 2.440 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 6625-00-668-5114, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-668-5114
Primary Part NumberMILM6
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusCANCELLED
Style DesignatorROUND FLUSH MTG
Meter Depth Behind Mounting Flange1.600 INCHES NOMINAL IN
FSC Application DataTEST SET,ELECT. EQUIP.
Meter Body Diameter Behind Mounting Flange2.210 INCHES NOMINAL IN
Movement TypeMOVING COIL, PERMANENT MAGNET
Overall Diameter2.695 INCHES NOMINAL IN
Mounting Bolt Circle Diameter2.440 INCHES NOMINAL IN
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Measurement Range+0.0 TO 1.0 MILLIAMPERES, DC SINGLE INDICATOR SINGLE RANGE
ColorUNABLE TO DECODE
Circuit Current for Which DesignedDC
Mounting Facility Type and Quantity3 FLANGE
Scale Division Quantity20 SINGLE INDICATOR SINGLE RANGE
Accuracy in Percent-2.5 TO 2.5 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Movement Suspension MethodJEWEL PIVOT BASE
Reliability IndicatorNOT ESTABLISHED
Circuit Attachment Method and Quantity2 THREADED STUD
Dielectric Withstanding Voltage in Volts3000.0
Installation DesignPANEL
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Style DesignatorROUND FLUSH MTG
Meter Depth Behind Mounting Flange1.600 INCHES NOMINAL IN
FSC Application DataTEST SET,ELECT. EQUIP.
Meter Body Diameter Behind Mounting Flange2.210 INCHES NOMINAL IN
Movement TypeMOVING COIL, PERMANENT MAGNET
Overall Diameter2.695 INCHES NOMINAL IN
Mounting Bolt Circle Diameter2.440 INCHES NOMINAL IN
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Measurement Range+0.0 TO 1.0 MILLIAMPERES, DC SINGLE INDICATOR SINGLE RANGE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeX
Verified Substitutes 9
No Item Name Available
Ammeter
Voltmeter
Ammeter
Ammeter
Ammeter
Ammeter
Voltmeter
5315-00-198-5978103604 INTERCHANGEABLE
Pin,tapered,plain
Chrysler Realty Company Llc Dba Daimler Chrysler
Cross-Reference Index
Part NumberManufacturer
MILM6 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MR26W156SPEC Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
103604 L3harris Technologies, Inc Div Space & Airborne Systems (USA)
0-1MILLIAMPERES2-1-2 Phaostron Instrument and Electronic Company (USA)
Related Parts
6625-00-537-5652SUCCESSOR
NO ITEM NAME AVAILABLE
6625-00-668-9246SUCCESSOR
AMMETER
6625-00-838-4356SUCCESSOR
VOLTMETER
6625-01-023-2776SUCCESSOR
AMMETER
6625-00-231-0735SUCCESSOR
AMMETER
6625-00-241-4266SUCCESSOR
AMMETER
6625-00-299-6259SUCCESSOR
AMMETER
6625-00-836-7431SUCCESSOR
VOLTMETER
5315-00-198-5978INTERCHANGEABLE
PIN,TAPERED,PLAIN
103604

Frequently Asked Questions

What is NSN 6625-00-668-5114?

NSN 6625-00-668-5114 is a Ammeter, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 6625 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6625-00-668-5114?

NSN 6625-00-668-5114 has 4 cross-referenced part numbers: MILM6 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MR26W156SPEC (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 103604 (L3harris Technologies, Inc Div Space & Airborne Systems), 0-1MILLIAMPERES2-1-2 (Phaostron Instrument and Electronic Company).

What NSN replaces 6625-00-668-5114?

There are 9 known substitutes for 6625-00-668-5114: 6625-00-537-5652, 6625-00-668-9246, 6625-00-838-4356 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MILM6?

Key specifications for MILM6: Style Designator: ROUND FLUSH MTG; Meter Depth Behind Mounting Flange: 1.600 INCHES NOMINAL IN; FSC Application Data: TEST SET,ELECT. EQUIP.; Meter Body Diameter Behind Mounting Flange: 2.210 INCHES NOMINAL IN. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6625-00-668-5114 still in active supply?

NSN 6625-00-668-5114 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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