PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SM-A-776453Ammeter

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 6625-01-069-1494 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-01-069-1494 — this item is cataloged by the U.S. Government under National Stock Number 6625-01-069-1494. Primary manufacturer part number: SM-A-776453.
Features
  • Ammeter — FSC 6625
  • Mounting Facility Type and Quantity: 3 UNTHREADED HOLE(S)
  • Movement Suspension Method: JEWEL PIVOT BASE
  • Accuracy in Percent: -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
  • Meter Depth Behind Mounting Flange: 1.600 INCHES MAXIMUM IN
  • Scale Division Quantity: 10 SINGLE INDICATOR SINGLE RANGE
  • Scale Graduation Type: LINEAR SINGLE INDICATOR SINGLE RANGE
  • Installation Design: PANEL
Applications
  • Applications requiring Steel construction
General Description

The Ammeter, cataloged under National Stock Number 6625-01-069-1494, 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 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 11 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-01-069-1494
Primary Part NumberSM-A-776453
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusACTIVE
Mounting Facility Type and Quantity3 UNTHREADED HOLE(S)
Movement Suspension MethodJEWEL PIVOT BASE
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Meter Depth Behind Mounting Flange1.600 INCHES MAXIMUM IN
Scale Division Quantity10 SINGLE INDICATOR SINGLE RANGE
Scale Graduation TypeLINEAR SINGLE INDICATOR SINGLE RANGE
Installation DesignPANEL
Power SourceEXTERNAL
Circuit Attachment Method and Quantity2 SOLDER LUG AND 2 THREADED STUD
Furnished Items and QuantityMOUNTING HARDWARE 3
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Measurement Range-25.0 TO 25.0 MICROAMPERES, DC SINGLE INDICATOR SINGLE RANGE
Environmental ProtectionEROSION PROOF AND SHOCK RESISTANT AND VIBRATION RESISTANT
Mounting Bolt Circle Diameter2.440 INCHES NOMINAL IN
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Movement TypeMOVING COIL, PERMANENT MAGNET
Style DesignatorROUND FLUSH MTG
Overall Diameter2.695 INCHES MAXIMUM IN
Meter Body Diameter Behind Mounting Flange2.210 INCHES MAXIMUM IN
Features ProvidedMAGNETIC SHIELD AND ZERO ADJUSTER
Indicator TypeDIAL W/POINTER
FSC Application DataTEST SET,ELECTRONIC EQUIPMENT
Nuclear Hardness Critical FeatureNONHARDENED
ColorUNABLE TO DECODE
MaterialSTEEL
Surface TreatmentCHROMATE AND ENAMEL SEMIGLOSS
Circuit Construction TypeNONELECTRONIC
Circuit Current for Which DesignedDC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueEA
SMR CodeJN
Weight0.5500 lbs
Cube0.0490 cu ft
Verified Substitutes 12
6625-00-004-844610238174 SUCCESSOR
Ammeter
Us Army Aviation and Missile Command
6625-00-010-640610183082 SUCCESSOR
Meter,arbitrary Scale
Us Army Aviation and Missile Command
Meter,electrical Frequency
6625-00-080-7120ADD3S2073 SUCCESSOR
Voltmeter
Jewell Instruments Llc
6625-00-140-738510548824-4 SUCCESSOR
Voltmeter
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
6625-00-184-3484265-914 SUCCESSOR
Meter,special Scale
Jewell Instruments Llc
6625-00-332-6211SC-C-24420 SUCCESSOR
Multimeter
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
Ammeter
6625-00-465-2136378-0349 SUCCESSOR
Voltmeter
Continental Electronics Corp
6625-00-476-1875476-0255-010 SUCCESSOR
Wattmeter
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
Cross-Reference Index
Part NumberManufacturer
621 Phaostron Instrument and Electronic Company (USA)
265 Jewell Instruments, Llc Dba Modutec Use CAGE Code 33005 for Cataloging (USA)
R230 Ideal Precision Meter Co Dba Ideal Precision Meter Co (USA)
SM-A-776453 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
125R American Gage and Machine Co (USA)
221HR Triplett (bluffton) Corporation Dba Lfe Instruments (USA)
2521 Custom Metering Company Inc (USA)
M2921 Jaidinger Manufacturing Co Inc Dba Jaidinger Manufacturing Co Inc (USA)
M2921 American Instrument Corp (USA)
2521 Metermaster Inc Metermod Div (USA)
2521 Solartron Electronics Inc Weston Instruments Div (USA)
Related Parts
6625-00-004-8446SUCCESSOR
AMMETER
10238174
6625-00-010-6406SUCCESSOR
METER,ARBITRARY SCALE
10183082
6625-00-057-5534SUCCESSOR
METER,ELECTRICAL FREQUENCY
6625-00-080-7120SUCCESSOR
VOLTMETER
ADD3S2073
6625-00-140-7385SUCCESSOR
VOLTMETER
10548824-4
6625-00-184-3484SUCCESSOR
METER,SPECIAL SCALE
265-914
6625-00-332-6211SUCCESSOR
MULTIMETER
SC-C-24420
6625-00-422-2182SUCCESSOR
AMMETER
6625-00-465-2136SUCCESSOR
VOLTMETER
378-0349
6625-00-476-1875SUCCESSOR
WATTMETER
476-0255-010
6625-00-491-7759SUCCESSOR
AMMETER
6625-00-510-6628SUCCESSOR
METER,SPECIAL SCALE
8174002

Frequently Asked Questions

What is NSN 6625-01-069-1494?

NSN 6625-01-069-1494 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 6625-01-069-1494?

NSN 6625-01-069-1494 has 11 cross-referenced part numbers: 621 (Phaostron Instrument and Electronic Company), 265 (Jewell Instruments, Llc Dba Modutec Use CAGE Code 33005 for Cataloging), R230 (Ideal Precision Meter Co Dba Ideal Precision Meter Co), SM-A-776453 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), 125R (American Gage and Machine Co) and 6 more.

What NSN replaces 6625-01-069-1494?

There are 12 known substitutes for 6625-01-069-1494: 6625-00-004-8446, 6625-00-010-6406, 6625-00-057-5534 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SM-A-776453?

Key specifications for SM-A-776453: Overall Length: 2.650 INCHES MAXIMUM IN; Mounting Facility Type and Quantity: 3 UNTHREADED HOLE(S); Movement Suspension Method: JEWEL PIVOT BASE; Special Features: RUGGEDIZED. 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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