PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MM2-25-0-25MAAmmeter

Jewell Instruments Llc · NSN 6625-00-908-2028 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-908-2028 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-908-2028. Primary manufacturer part number: MM2-25-0-25MA.
Features
  • Ammeter — FSC 6625
  • Pointer Color: BLACK SINGLE INDICATOR SINGLE RANGE
  • Mounting Bolt Circle Diameter: 2.440 INCHES NOMINAL IN
  • Mounting Facility Type and Quantity: 3 THREADED STUD(S)
  • Mounting Stud Diameter: 0.125 INCHES NOMINAL IN
  • Color: UNABLE TO DECODE
  • Style Designator: FAN SHAPE FLUSH MTG
  • Meter Depth Behind Mounting Flange: 1.010 INCHES NOMINAL IN
Applications
  • Applications requiring Plastic Polycarbonate construction
General Description

The Ammeter, cataloged under National Stock Number 6625-00-908-2028, 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. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-908-2028
Primary Part NumberMM2-25-0-25MA
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerJewell Instruments Llc
StatusACTIVE
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Mounting Bolt Circle Diameter2.440 INCHES NOMINAL IN
Mounting Facility Type and Quantity3 THREADED STUD(S)
Mounting Stud Diameter0.125 INCHES NOMINAL IN
ColorUNABLE TO DECODE
Style DesignatorFAN SHAPE FLUSH MTG
Meter Depth Behind Mounting Flange1.010 INCHES NOMINAL IN
MaterialPLASTIC POLYCARBONATE
Nuclear Hardness Critical FeatureNONHARDENED
Panel for Which DesignedNONMAGNETIC
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Movement TypeMOVING COIL, PERMANENT MAGNET
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Movement Suspension MethodJEWEL PIVOT BASE
Circuit Current for Which DesignedDC
Furnished Items and QuantityCOVER 1
Circuit Construction TypeNONELECTRONIC
Features ProvidedZERO ADJUSTER
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Indicator TypeDIAL W/POINTER
FSC Application DataTEST SET,ELECT. EQUIP.
Mounting Stud Length0.450 INCHES NOMINAL IN
Scale Graduation TypeNONLINEAR SINGLE INDICATOR SINGLE RANGE
Installation DesignPANEL
Reliability IndicatorNOT ESTABLISHED
Circuit Attachment Method and Quantity2 THREADED STUD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeX
Verified Substitutes 11
Ammeter
6625-00-930-382622420-3 SUCCESSOR
Voltmeter
Marathonnorco Aerospace, Inc. Dba Marathon Power Technologies Company
Ammeter
6625-00-068-1744106020-0102 INTERCHANGEABLE
Ammeter
Jewell Instruments Llc
6625-00-081-2824171-207 INTERCHANGEABLE
Ammeter
General Instrument Corporation Dba Motorola Div Motorola Mobility - Home Division
6625-00-269-3434 INTERCHANGEABLE
Meter,audio Level
6625-00-543-1361 INTERCHANGEABLE
Meter,s-Units
6625-00-814-8190 INTERCHANGEABLE
Ammeter
6625-00-889-1878MM2 INTERCHANGEABLE
Ammeter
Jewell Instruments Llc
6625-00-908-2027MM2-20T0-3VU INTERCHANGEABLE
Meter,audio Level
Jewell Instruments Llc
Cross-Reference Index
Part NumberManufacturer
MM2-25-0-25MA PRIMARY Jewell Instruments Llc (USA)
MM2 Jewell Instruments Llc (USA)
Related Parts
6625-00-051-9015SUCCESSOR
AMMETER
6625-00-930-3826SUCCESSOR
VOLTMETER
22420-3
6625-00-944-7270SUCCESSOR
AMMETER
6625-00-068-1744INTERCHANGEABLE
AMMETER
106020-0102
6625-00-081-2824INTERCHANGEABLE
AMMETER
171-207
6625-00-269-3434INTERCHANGEABLE
METER,AUDIO LEVEL
6625-00-543-1361INTERCHANGEABLE
METER,S-UNITS
6625-00-814-8190INTERCHANGEABLE
AMMETER
6625-00-889-1878INTERCHANGEABLE
AMMETER
MM2
6625-00-908-2027INTERCHANGEABLE
METER,AUDIO LEVEL
MM2-20T0-3VU
6625-01-080-5281INTERCHANGEABLE
METER,INDICATING,BATTERY TEST

Frequently Asked Questions

What is NSN 6625-00-908-2028?

NSN 6625-00-908-2028 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 6625-00-908-2028?

NSN 6625-00-908-2028 has 2 cross-referenced part numbers: MM2-25-0-25MA (Jewell Instruments Llc), MM2 (Jewell Instruments Llc).

What NSN replaces 6625-00-908-2028?

There are 11 known substitutes for 6625-00-908-2028: 6625-00-051-9015, 6625-00-930-3826, 6625-00-944-7270 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MM2-25-0-25MA?

Key specifications for MM2-25-0-25MA: Pointer Color: BLACK SINGLE INDICATOR SINGLE RANGE; Mounting Bolt Circle Diameter: 2.440 INCHES NOMINAL IN; Special Features: RUGGEDIZED; Mounting Facility Type and Quantity: 3 THREADED STUD(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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