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 6625-00-186-8284 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-186-8284 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-186-8284. Primary manufacturer part number: MILM6.
Features
  • Ammeter — FSC 6625
  • Measurement Range: +0.0 TO 1.0 MILLIAMPERES, DC SINGLE INDICATOR SINGLE RANGE
  • Circuit Attachment Method and Quantity: 2 SOLDER STUD
  • Mounting Facility Type and Quantity: 3 FLANGE
  • Meter Body Diameter Behind Mounting Flange: 2.800 INCHES NOMINAL IN
  • Meter Depth Behind Mounting Flange: 1.680 INCHES NOMINAL IN
  • Dial Scale Marking Color: BLACK SINGLE INDICATOR SINGLE RANGE
  • Circuit Current for Which Designed: DC
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Ammeter, cataloged under National Stock Number 6625-00-186-8284, 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 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6625-00-186-8284
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
Measurement Range+0.0 TO 1.0 MILLIAMPERES, DC SINGLE INDICATOR SINGLE RANGE
Circuit Attachment Method and Quantity2 SOLDER STUD
Mounting Facility Type and Quantity3 FLANGE
Meter Body Diameter Behind Mounting Flange2.800 INCHES NOMINAL IN
Meter Depth Behind Mounting Flange1.680 INCHES NOMINAL IN
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Circuit Current for Which DesignedDC
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Overall Diameter3.500 INCHES NOMINAL IN
ColorUNABLE TO DECODE
Sensitivity Rating150.0 MILLIVOLTS
Style DesignatorROUND FLUSH MTG
Mounting Bolt Circle Diameter1.580 INCHES NOMINAL IN
Movement TypeMOVING COIL, PERMANENT MAGNET
Installation DesignPANEL
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Measurement Range+0.0 TO 1.0 MILLIAMPERES, DC SINGLE INDICATOR SINGLE RANGE
Circuit Attachment Method and Quantity2 SOLDER STUD
Mounting Facility Type and Quantity3 FLANGE
Meter Body Diameter Behind Mounting Flange2.800 INCHES NOMINAL IN
Meter Depth Behind Mounting Flange1.680 INCHES NOMINAL IN
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Circuit Current for Which DesignedDC
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Overall Diameter3.500 INCHES NOMINAL IN
ColorUNABLE TO DECODE
Sensitivity Rating150.0 MILLIVOLTS
Style DesignatorROUND FLUSH MTG
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Weight0.0100 lbs
Cube0.0010 cu ft
Verified Substitutes 11
Ammeter
Voltmeter
Ammeter
Ammeter
Ammeter
Ammeter
Voltmeter
6625-00-196-6578 INTERCHANGEABLE
Ammeter
6625-00-545-7937HM3-31-2 INTERCHANGEABLE
Meter,arbitrary Scale
Jewell Instruments Llc
6625-00-649-4560 INTERCHANGEABLE
Voltmeter
Cross-Reference Index
Part NumberManufacturer
MILM6 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
31370 Canadian Arsenals Ltd (CAN)
2375674 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
MR36W001DCMA Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
HM3-3-1-2 Jewell Instruments Llc (USA)
Related Parts
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
6625-00-196-6578INTERCHANGEABLE
AMMETER
6625-00-545-7937INTERCHANGEABLE
METER,ARBITRARY SCALE
HM3-31-2
6625-00-649-4560INTERCHANGEABLE
VOLTMETER
1615-01-225-4537INTERCHANGEABLE
HEAT EXCHANGER,FLUID TO AIR

Frequently Asked Questions

What is NSN 6625-00-186-8284?

NSN 6625-00-186-8284 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 6625-00-186-8284?

NSN 6625-00-186-8284 has 5 cross-referenced part numbers: MILM6 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 31370 (Canadian Arsenals Ltd), 2375674 (Lockheed Martin Corporation Div Rms - Mitchel Field), MR36W001DCMA (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), HM3-3-1-2 (Jewell Instruments Llc).

What NSN replaces 6625-00-186-8284?

There are 11 known substitutes for 6625-00-186-8284: 6625-00-668-9246, 6625-00-838-4356, 6625-01-023-2776 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MILM6?

Key specifications for MILM6: Measurement Range: +0.0 TO 1.0 MILLIAMPERES, DC SINGLE INDICATOR SINGLE RANGE; Circuit Attachment Method and Quantity: 2 SOLDER STUD; Mounting Facility Type and Quantity: 3 FLANGE; Meter Body Diameter Behind Mounting Flange: 2.800 INCHES NOMINAL IN. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6625-00-186-8284 still in active supply?

NSN 6625-00-186-8284 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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