PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

17405Ammeter

Simpson Electric Company, Inc. · NSN 6625-01-143-3145 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-01-143-3145 — this item is cataloged by the U.S. Government under National Stock Number 6625-01-143-3145. Primary manufacturer part number: 17405.
Features
  • Ammeter — FSC 6625
  • Color: UNABLE TO DECODE
  • Style Designator: RECTANGULAR FLUSH MTG
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 1.980 INCHES NOMINAL IN
  • Indicator Type: DIAL W/POINTER
  • FSC Application Data: ELEC,ELECT. PROPERTIES MEASURING AND TEST INSTRUMENTS
  • Dial Scale Marking Color: BLACK SINGLE INDICATOR SINGLE RANGE
  • Accuracy in Percent: -1.0 TO 1.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Ammeter, cataloged under National Stock Number 6625-01-143-3145, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Simpson Electric Company, Inc.. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, 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
NSN6625-01-143-3145
Primary Part Number17405
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerSimpson Electric Company, Inc.
StatusACTIVE
ColorUNABLE TO DECODE
Style DesignatorRECTANGULAR FLUSH MTG
Center to Center Distance Between Mounting Facilities Parallel to Length1.980 INCHES NOMINAL IN
Indicator TypeDIAL W/POINTER
FSC Application DataELEC,ELECT. PROPERTIES MEASURING AND TEST INSTRUMENTS
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Accuracy in Percent-1.0 TO 1.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Panel for Which DesignedMAGNETIC OR NONMAGNETIC
Nuclear Hardness Critical FeatureNONHARDENED
Mounting Stud Length0.530 INCHES NOMINAL IN
Meter Body Diameter Behind Mounting Flange2.160 INCHES NOMINAL IN
Sensitivity Rating10.0 AMPERES
Installation DesignPANEL
Measurement Range+0.0 TO 10.0 AMPERES, DC SINGLE INDICATOR SINGLE RANGE
Mounting Arrangement StyleFOUR HOLE/STUD RECTANGULAR/SQUARE
Movement TypeMOVING IRON VANE
Mounting Facility Type and Quantity4 THREADED STUD(S)
Meter Depth Behind Mounting Flange1.340 INCHES NOMINAL IN
Scale Selection MethodTERMINAL
Circuit Attachment Method and Quantity2 THREADED STUD
Scale Graduation TypeLINEAR SINGLE INDICATOR SINGLE RANGE
Power SourceEXTERNAL
Mounting Stud Diameter0.112 INCHES NOMINAL IN
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Features ProvidedMAGNETIC SHIELD AND ZERO ADJUSTER
Movement Suspension MethodMETAL PIVOT BASE
Circuit Construction TypeNONELECTRONIC
Center to Center Distance Between Mounting Facilities Parallel to Width1.980 INCHES NOMINAL IN
Circuit Current for Which DesignedDC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueEA
SMR CodeJN
Weight0.5750 lbs
Cube0.0370 cu ft
Verified Substitutes 12
Voltmeter
6625-00-232-8539 INTERCHANGEABLE
Voltmeter
3030-00-555-2950015645 INTERCHANGEABLE
Belt,v
Caterpillar Inc Div Caterpillar Defense
5360-00-597-81506632-34 INTERCHANGEABLE
Spring,helical,torsion
Ward Leonard Ct Llc
6625-00-631-18232122 INTERCHANGEABLE
Coupler,flexible
Entron Industries Limited Partnership Dba Entron Industries Property Div
6150-00-935-523517405 INTERCHANGEABLE
Cable Assembly,power,electrical
Belden Wire & Cable Company Llc Dba Belden Cdt Electronics Division
2990-01-085-7404 INTERCHANGEABLE
Nozzle Assembly,atomizer,engine
6625-01-109-2407868656-2 INTERCHANGEABLE
Meter,arbitrary Scale
Raytheon Company Dba Raytheon
5950-01-181-1650989112-14B INTERCHANGEABLE
Coil,radio Frequency
Raytheon Company Dba Raytheon
3020-01-225-699017405 INTERCHANGEABLE
Gear,spur
Dana Commercial Vehicle Products, Llc
Cross-Reference Index
Part NumberManufacturer
2122 Simpson Electric Company, Inc. (USA)
17405 PRIMARY Simpson Electric Company, Inc. (USA)
2122-71405 Simpson Electric Company, Inc. (USA)
Related Parts
6625-01-311-3740SUCCESSOR
VOLTMETER
6625-00-232-8539INTERCHANGEABLE
VOLTMETER
3030-00-555-2950INTERCHANGEABLE
BELT,V
015645
5360-00-597-8150INTERCHANGEABLE
SPRING,HELICAL,TORSION
6632-34
6625-00-631-1823INTERCHANGEABLE
COUPLER,FLEXIBLE
2122
6150-00-935-5235INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL
17405
2990-01-085-7404INTERCHANGEABLE
NOZZLE ASSEMBLY,ATOMIZER,ENGINE
6625-01-109-2407INTERCHANGEABLE
METER,ARBITRARY SCALE
868656-2
5950-01-181-1650INTERCHANGEABLE
COIL,RADIO FREQUENCY
989112-14B
3020-01-225-6990INTERCHANGEABLE
GEAR,SPUR
17405
5998-01-233-5279INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
2021-752
5315-01-296-1886INTERCHANGEABLE
PIN
17-405

Frequently Asked Questions

What is NSN 6625-01-143-3145?

NSN 6625-01-143-3145 is a Ammeter, manufactured by Simpson Electric Company, Inc., classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-01-143-3145?

NSN 6625-01-143-3145 has 3 cross-referenced part numbers: 2122 (Simpson Electric Company, Inc.), 17405 (Simpson Electric Company, Inc.), 2122-71405 (Simpson Electric Company, Inc.).

What NSN replaces 6625-01-143-3145?

There are 12 known substitutes for 6625-01-143-3145: 6625-01-311-3740, 6625-00-232-8539, 3030-00-555-2950 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 17405?

Key specifications for 17405: Color: UNABLE TO DECODE; Style Designator: RECTANGULAR FLUSH MTG; Overall Height: 2.380 INCHES NOMINAL IN; Center to Center Distance Between Mounting Facilities Parallel to Length: 1.980 INCHES NOMINAL IN. 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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