PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2531-2270478Ammeter

Custom Metering Company Inc · NSN 6625-00-067-7479 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-067-7479 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-067-7479. Primary manufacturer part number: 2531-2270478.
Features
  • Ammeter — FSC 6625
  • FSC Application Data: TEST SET ELECTRONIC
  • Circuit Current for Which Designed: DC
  • Meter Body Diameter Behind Mounting Flange: 2.800 INCHES MAXIMUM IN
  • Mounting Facility Type and Quantity: 3 UNTHREADED HOLE(S)
  • Scale Division Quantity: 10 SINGLE INDICATOR SINGLE RANGE
  • Mounting Hole Diameter: 0.150 INCHES NOMINAL IN
  • Indicator Type: DIAL W/POINTER
Applications
  • Applications requiring Steel construction
General Description

The Ammeter, cataloged under National Stock Number 6625-00-067-7479, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Custom Metering Company Inc. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-067-7479
Primary Part Number2531-2270478
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerCustom Metering Company Inc
StatusACTIVE
FSC Application DataTEST SET ELECTRONIC
Circuit Current for Which DesignedDC
Meter Body Diameter Behind Mounting Flange2.800 INCHES MAXIMUM IN
Mounting Facility Type and Quantity3 UNTHREADED HOLE(S)
Scale Division Quantity10 SINGLE INDICATOR SINGLE RANGE
Mounting Hole Diameter0.150 INCHES NOMINAL IN
Indicator TypeDIAL W/POINTER
Features ProvidedZERO ADJUSTER
Measurement Range+0.0 TO 200.0 MICROAMPERES, DC SINGLE INDICATOR SINGLE RANGE
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Sensitivity Rating200.0 MILLIVOLTS
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Movement Suspension MethodJEWEL PIVOT BASE
Panel for Which DesignedMAGNETIC
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Overall Diameter3.510 INCHES MAXIMUM IN
Scale Graduation TypeLINEAR SINGLE INDICATOR SINGLE RANGE
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Style DesignatorROUND FLUSH MTG
Circuit Attachment Method and Quantity2 SOLDER STUD
MaterialSTEEL
Scale Selection MethodSWITCH
Surface TreatmentENAMEL SEMIGLOSS
Mounting Bolt Circle Diameter3.160 INCHES NOMINAL IN
Circuit Construction TypeNONELECTRONIC
Installation DesignPANEL
Meter Depth Behind Mounting Flange2.420 INCHES MAXIMUM IN
Movement TypeMOVING COIL, PERMANENT MAGNET
Nuclear Hardness Critical FeatureNONHARDENED
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6625-00-103-0327 (10279474)
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJ
Weight1.0000 lbs
Cube0.0938 cu ft
Verified Substitutes 8
6625-00-103-032710279474 SUCCESSOR
Meter,arbitrary Scale
Us Army Aviation and Missile Command
6625-00-357-18021987055 SUCCESSOR
Voltmeter
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Voltmeter
6625-00-731-6900458-5076-010 SUCCESSOR
Ammeter
Continental Electronics Corp
6625-00-995-37842486680 SUCCESSOR
Meter,arbitrary Scale
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
6625-01-062-87952608400-1 SUCCESSOR
Meter,audio Level
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Voltmeter
4820-01-722-99822382759 INTERCHANGEABLE
Valve,linear,directional Control
Crysteel Manufacturing, Inc Dba Crysteel Manufacturing Inc
Cross-Reference Index
Part NumberManufacturer
2531-2270478 Custom Metering Company Inc (USA)
300-12899 Phaostron Instrument and Electronic Company (USA)
2270478 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
2531 Solartron Electronics Inc Weston Instruments Div (USA)
2382759 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
Related Parts
SUCCESSOR 6625-00-103-0327 Meter,arbitrary Scale · 10279474
6625-00-357-1802SUCCESSOR
VOLTMETER
1987055
6625-00-649-3838SUCCESSOR
VOLTMETER
6625-00-731-6900SUCCESSOR
AMMETER
458-5076-010
6625-00-995-3784SUCCESSOR
METER,ARBITRARY SCALE
2486680
6625-01-062-8795SUCCESSOR
METER,AUDIO LEVEL
2608400-1
6625-01-148-8526SUCCESSOR
VOLTMETER
4820-01-722-9982INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
2382759

Frequently Asked Questions

What is NSN 6625-00-067-7479?

NSN 6625-00-067-7479 is a Ammeter, manufactured by Custom Metering Company Inc, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-067-7479?

NSN 6625-00-067-7479 has 5 cross-referenced part numbers: 2531-2270478 (Custom Metering Company Inc), 300-12899 (Phaostron Instrument and Electronic Company), 2270478 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 2531 (Solartron Electronics Inc Weston Instruments Div), 2382759 (Lockheed Martin Corporation Div Rms - Mitchel Field).

What NSN replaces 6625-00-067-7479?

There are 8 known substitutes for 6625-00-067-7479: 6625-00-103-0327, 6625-00-357-1802, 6625-00-649-3838 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2531-2270478?

Key specifications for 2531-2270478: FSC Application Data: TEST SET ELECTRONIC; Circuit Current for Which Designed: DC; Meter Body Diameter Behind Mounting Flange: 2.800 INCHES MAXIMUM IN; 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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