PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

29Ammeter

Simpson Electric Company, Inc. · NSN 6625-00-585-4090 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-585-4090 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-585-4090. Primary manufacturer part number: 29.
Features
  • Ammeter — FSC 6625
  • Dial Scale Marking Color: BLACK SINGLE INDICATOR SINGLE RANGE
  • Color: UNABLE TO DECODE
  • Movement Type: MOVING IRON VANE
  • Mounting Stud Diameter: 0.135 INCHES NOMINAL IN
  • Center to Center Distance Between Mounting Facilities Parallel to Length: 4.000 INCHES NOMINAL IN
  • Indicator Type: DIAL W/POINTER
  • Accuracy in Percent: -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Applications
  • Applications requiring Plastic construction
General Description

The Ammeter, cataloged under National Stock Number 6625-00-585-4090, 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 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6625-00-585-4090
Primary Part Number29
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerSimpson Electric Company, Inc.
StatusACTIVE
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
ColorUNABLE TO DECODE
Movement TypeMOVING IRON VANE
Mounting Stud Diameter0.135 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Length4.000 INCHES NOMINAL IN
Indicator TypeDIAL W/POINTER
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Sensitivity Rating50.0 MILLIVOLTS
Installation DesignPANEL
Meter Body Diameter Behind Mounting Flange2.750 INCHES NOMINAL IN
Circuit Attachment Method and Quantity2 THREADED STUD
MaterialPLASTIC
Mounting Stud Length0.650 INCHES NOMINAL IN
Style DesignatorRECTANGULAR FLUSH MTG
Mounting Arrangement StyleFOUR HOLE/STUD RECTANGULAR/SQUARE
Scale Division Quantity50 SINGLE INDICATOR SINGLE RANGE
Measurement Range+0.0 TO 30.0 AMPERES, DC SINGLE INDICATOR SINGLE RANGE
Features ProvidedZERO ADJUSTER
Meter Depth Behind Mounting Flange1.700 INCHES NOMINAL IN
Mounting Facility Type and Quantity4 THREADED STUD(S)
Center to Center Distance Between Mounting Facilities Parallel to Width3.560 INCHES NOMINAL IN
Circuit Current for Which DesignedDC
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
ColorUNABLE TO DECODE
Movement TypeMOVING IRON VANE
Mounting Stud Diameter0.135 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
6625-00-060-04592960 SUCCESSOR
Voltmeter
Kay Elemetrics Corporation
6625-00-720-2246420-030 SUCCESSOR
Voltmeter
Triplett (bluffton) Corporation Dba Lfe Instruments
Voltmeter
Electrowriter Trans
Generator,function,electronic Te
Cross-Reference Index
Part NumberManufacturer
29 Simpson Electric Company, Inc. (USA)
Related Parts
6625-00-060-0459SUCCESSOR
VOLTMETER
2960
6625-00-720-2246SUCCESSOR
VOLTMETER
420-030
6625-00-777-2108SUCCESSOR
VOLTMETER
5895-01-017-7020SUCCESSOR
ELECTROWRITER TRANS
6625-01-421-1761SUCCESSOR
GENERATOR,FUNCTION,ELECTRONIC TE

Frequently Asked Questions

What is NSN 6625-00-585-4090?

NSN 6625-00-585-4090 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 6625-00-585-4090?

NSN 6625-00-585-4090 has 1 cross-referenced part number: 29 (Simpson Electric Company, Inc.).

What NSN replaces 6625-00-585-4090?

There are 5 known substitutes for 6625-00-585-4090: 6625-00-060-0459, 6625-00-720-2246, 6625-00-777-2108 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 29?

Key specifications for 29: Dial Scale Marking Color: BLACK SINGLE INDICATOR SINGLE RANGE; Overall Length: 2.300 INCHES NOMINAL IN; Color: UNABLE TO DECODE; Movement Type: MOVING IRON VANE. 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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