PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SM-A-838069-1Ammeter

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 6625-01-146-9479 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-01-146-9479 — this item is cataloged by the U.S. Government under National Stock Number 6625-01-146-9479. Primary manufacturer part number: SM-A-838069-1.
Features
  • Ammeter — FSC 6625
  • FSC Application Data: TEST SET,ELECT. EQUIP.
  • Surface Treatment: ENAMEL SEMIGLOSS
  • Movement Type: MOVING IRON VANE
  • Indicator Type: DIAL W/POINTER
  • Scale Division Quantity: 100 SINGLE INDICATOR SINGLE RANGE
  • Mounting Bolt Circle Diameter: 2.440 INCHES NOMINAL IN
  • Meter Body Diameter Behind Mounting Flange: 2.210 INCHES NOMINAL IN
Applications
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Ammeter, cataloged under National Stock Number 6625-01-146-9479, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-01-146-9479
Primary Part NumberSM-A-838069-1
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusACTIVE
FSC Application DataTEST SET,ELECT. EQUIP.
Surface TreatmentENAMEL SEMIGLOSS
Movement TypeMOVING IRON VANE
Indicator TypeDIAL W/POINTER
Scale Division Quantity100 SINGLE INDICATOR SINGLE RANGE
Mounting Bolt Circle Diameter2.440 INCHES NOMINAL IN
Meter Body Diameter Behind Mounting Flange2.210 INCHES NOMINAL IN
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Meter Depth Behind Mounting Flange1.600 INCHES NOMINAL IN
Environmental ProtectionCOLD RESISTANT AND HEAT RESISTANT AND SHOCK RESISTANT AND SUBMERSIBLE AND VIBRATION RESISTANT AND WATERTIGHT
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Panel for Which DesignedMAGNETIC OR NONMAGNETIC
Frequency Rating50.0 HERTZ MINIMUM AND 400.0 HERTZ MAXIMUM
Supplementary FeaturesAMMETER TO BE USED WITH EXTERNAL CURRENT TRANSFORMER
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Installation DesignPANEL
ColorUNABLE TO DECODE
Overall Diameter2.695 INCHES NOMINAL IN
MaterialSTEEL CORROSION RESISTING
Style DesignatorROUND FLUSH MTG
Mounting Facility Type and Quantity3 SCREW AND 3 UNTHREADED HOLE(S)
Circuit Construction TypeNONELECTRONIC
Features ProvidedLUMINOUS SCALE MARKING AND MAGNETIC SHIELD AND ZERO ADJUSTER
Special Test FeaturesCONFORMS TO MIL-M-10304/7
Movement Suspension MethodTAUT BAND
Scale Graduation TypeLINEAR SINGLE INDICATOR SINGLE RANGE
Power SourceEXTERNAL
Measurement Range+0.0 TO 100.0 AMPERES, AC SINGLE INDICATOR SINGLE RANGE
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Circuit Attachment Method and Quantity2 SOLDER LUG AND 2 THREADED STUD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeJN
Weight1.1810 lbs
Cube0.3189 cu ft
Verified Substitutes 7
6625-00-009-2397627-710-25 INTERCHANGEABLE
Ammeter
Phaostron Instrument and Electronic Company
6625-00-009-5513627-15637 INTERCHANGEABLE
Ammeter
Phaostron Instrument and Electronic Company
6625-00-009-5514627-15636 INTERCHANGEABLE
Voltmeter
Phaostron Instrument and Electronic Company
6105-00-284-764226614-2 INTERCHANGEABLE
End Bell,electrical Rotating Equ
Honeywell International Inc. Div Aerospace - Torrance
5930-01-024-192236-604 INTERCHANGEABLE
Switch,sensitive
Illinois Tool Works Inc Dba Illinois Tool Works Inc Div Illinois Tool Works
6625-01-202-4639A81000 INTERCHANGEABLE
Voltmeter
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
6625-01-330-6519 INTERCHANGEABLE
Voltmeter
Cross-Reference Index
Part NumberManufacturer
155R-S11160 Simpson Electric Company, Inc. (USA)
SM-A-838069-1 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
627 Phaostron Instrument and Electronic Company (USA)
266-142 Jewell Instruments Llc (USA)
Related Parts
6625-00-009-2397INTERCHANGEABLE
AMMETER
627-710-25
6625-00-009-5513INTERCHANGEABLE
AMMETER
627-15637
6625-00-009-5514INTERCHANGEABLE
VOLTMETER
627-15636
6105-00-284-7642INTERCHANGEABLE
END BELL,ELECTRICAL ROTATING EQU
26614-2
5930-01-024-1922INTERCHANGEABLE
SWITCH,SENSITIVE
36-604
6625-01-202-4639INTERCHANGEABLE
VOLTMETER
A81000
6625-01-330-6519INTERCHANGEABLE
VOLTMETER

Frequently Asked Questions

What is NSN 6625-01-146-9479?

NSN 6625-01-146-9479 is a Ammeter, manufactured by Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-01-146-9479?

NSN 6625-01-146-9479 has 4 cross-referenced part numbers: 155R-S11160 (Simpson Electric Company, Inc.), SM-A-838069-1 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), 627 (Phaostron Instrument and Electronic Company), 266-142 (Jewell Instruments Llc).

What NSN replaces 6625-01-146-9479?

There are 7 known substitutes for 6625-01-146-9479: 6625-00-009-2397, 6625-00-009-5513, 6625-00-009-5514 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SM-A-838069-1?

Key specifications for SM-A-838069-1: FSC Application Data: TEST SET,ELECT. EQUIP.; Surface Treatment: ENAMEL SEMIGLOSS; Movement Type: MOVING IRON VANE; Indicator Type: DIAL W/POINTER. 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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