PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

HM3-3-1-2-100-0-100MADCAmmeter

Jewell Instruments Llc · NSN 6625-00-196-6578 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-196-6578 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-196-6578. Primary manufacturer part number: HM3-3-1-2-100-0-100MADC.
Features
  • Ammeter — FSC 6625
  • Circuit Current for Which Designed: DC
  • Circuit Attachment Method and Quantity: 2 SOLDER LUG
  • Mounting Facility Type and Quantity: 3 UNTHREADED HOLE(S)
  • Measurement Range: -100.0 TO 100.0 MILLIAMPERES, DC SINGLE INDICATOR SINGLE RANGE
  • Dial Scale Marking Color: BLACK SINGLE INDICATOR SINGLE RANGE
  • Meter Body Diameter Behind Mounting Flange: 2.675 INCHES NOMINAL IN
  • Movement Type: MOVING COIL, PERMANENT MAGNET
Applications
  • Applications requiring Plastic construction
General Description

The Ammeter, cataloged under National Stock Number 6625-00-196-6578, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Jewell Instruments Llc. Government technical data includes 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references 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
NSN6625-00-196-6578
Primary Part NumberHM3-3-1-2-100-0-100MADC
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerJewell Instruments Llc
StatusACTIVE
Circuit Current for Which DesignedDC
Circuit Attachment Method and Quantity2 SOLDER LUG
Mounting Facility Type and Quantity3 UNTHREADED HOLE(S)
Measurement Range-100.0 TO 100.0 MILLIAMPERES, DC SINGLE INDICATOR SINGLE RANGE
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Meter Body Diameter Behind Mounting Flange2.675 INCHES NOMINAL IN
Movement TypeMOVING COIL, PERMANENT MAGNET
Sensitivity Rating50.0 MILLIVOLTS
Scale Division Quantity40 SINGLE INDICATOR SINGLE RANGE
Movement Suspension MethodJEWEL PIVOT BASE
Mounting Hole Diameter0.150 INCHES NOMINAL IN
Overall Diameter3.500 INCHES NOMINAL IN
Meter Depth Behind Mounting Flange1.063 INCHES NOMINAL IN
Style DesignatorROUND FLUSH MTG
ColorUNABLE TO DECODE
Installation DesignPANEL
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
MaterialPLASTIC
Mounting Bolt Circle Diameter3.160 INCHES NOMINAL IN
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Circuit Current for Which DesignedDC
Circuit Attachment Method and Quantity2 SOLDER LUG
Mounting Facility Type and Quantity3 UNTHREADED HOLE(S)
Measurement Range-100.0 TO 100.0 MILLIAMPERES, DC SINGLE INDICATOR SINGLE RANGE
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Meter Body Diameter Behind Mounting Flange2.675 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeY
Verified Substitutes 3
6625-00-186-8284 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
HM3-3-1-2-100-0-100MADC Jewell Instruments Llc (USA)
HM3-3-1-2 Jewell Instruments Llc (USA)
Related Parts
6625-00-186-8284INTERCHANGEABLE
AMMETER
6625-00-545-7937INTERCHANGEABLE
METER,ARBITRARY SCALE
HM3-31-2
6625-00-649-4560INTERCHANGEABLE
VOLTMETER

Frequently Asked Questions

What is NSN 6625-00-196-6578?

NSN 6625-00-196-6578 is a Ammeter, manufactured by Jewell Instruments Llc, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-196-6578?

NSN 6625-00-196-6578 has 2 cross-referenced part numbers: HM3-3-1-2-100-0-100MADC (Jewell Instruments Llc), HM3-3-1-2 (Jewell Instruments Llc).

What NSN replaces 6625-00-196-6578?

There are 3 known substitutes for 6625-00-196-6578: 6625-00-186-8284, 6625-00-545-7937, 6625-00-649-4560. Verify interchangeability with system specifications before substitution.

What are the specifications of HM3-3-1-2-100-0-100MADC?

Key specifications for HM3-3-1-2-100-0-100MADC: Overall Length: 1.530 INCHES NOMINAL IN; Circuit Current for Which Designed: DC; Circuit Attachment Method and Quantity: 2 SOLDER LUG; Mounting Facility Type and Quantity: 3 UNTHREADED HOLE(S). 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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