PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

55RS10585Ammeter

Simpson Electric Company, Inc. · NSN 6625-01-038-6829 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-01-038-6829 — this item is cataloged by the U.S. Government under National Stock Number 6625-01-038-6829. Primary manufacturer part number: 55RS10585.
Features
  • Ammeter — FSC 6625
  • Power Source: EXTERNAL
  • Pointer Color: BLACK SINGLE INDICATOR SINGLE RANGE
  • Circuit Attachment Method and Quantity: 2 THREADED STUD
  • Overall Diameter: 3.510 INCHES NOMINAL IN
  • Panel for Which Designed: NONMAGNETIC
  • Frequency Rating: 60.0 HERTZ NOMINAL
  • Features Provided: ZERO ADJUSTER
Applications
  • Applications requiring Steel construction
General Description

The Ammeter, cataloged under National Stock Number 6625-01-038-6829, 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 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-01-038-6829
Primary Part Number55RS10585
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerSimpson Electric Company, Inc.
StatusACTIVE
Power SourceEXTERNAL
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Circuit Attachment Method and Quantity2 THREADED STUD
Overall Diameter3.510 INCHES NOMINAL IN
Panel for Which DesignedNONMAGNETIC
Frequency Rating60.0 HERTZ NOMINAL
Features ProvidedZERO ADJUSTER
Mounting Bolt Circle Diameter3.160 INCHES NOMINAL IN
Meter Depth Behind Mounting Flange2.450 INCHES NOMINAL IN
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Meter Body Diameter Behind Mounting Flange2.800 INCHES NOMINAL IN
Indicator TypeDIAL W/POINTER
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Movement Suspension MethodTAUT BAND
Special MarkingsDOUBLE WIDTH RED LINE AT 75 AMPS; DOUBLE WIDTH GREEN LINE AT 80 AMPS
Scale Division Quantity5 SINGLE INDICATOR SINGLE RANGE
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
FSC Application DataTEST SET,ELECT. EQUIP.
Nuclear Hardness Critical FeatureNONHARDENED
ColorUNABLE TO DECODE
Surface TreatmentENAMEL LUSTERLESS
Style DesignatorROUND FLUSH MTG
MaterialSTEEL
Mounting Hole Diameter0.145 INCHES NOMINAL IN
Environmental ProtectionDUSTPROOF
Movement TypeMOVING COIL, PERMANENT MAGNET
Measurement Range+0.0 TO 125.0 AMPERES, AC SINGLE INDICATOR SINGLE RANGE
Circuit Current for Which DesignedAC
Operating Voltage Rating in Volts115.0 AC NOMINAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueEA
SMR CodeZN
Weight0.6000 lbs
Cube0.0244 cu ft
Verified Substitutes 6
5920-00-142-7439BK-S-8002-1X-R INTERCHANGEABLE
Fuseholder,block
Cooper Bussmann, Llc Dba Cooper Industries
5920-00-213-6411 INTERCHANGEABLE
Fuseholder,block
5915-00-846-37237744466P1 INTERCHANGEABLE
Filter,band Pass
Lockheed Martin Corporation Div Rms
7490-00-920-9382357001 INTERCHANGEABLE
Washer Adjust Screw
Pitney Bowes Inc.
2930-00-938-1594180128 INTERCHANGEABLE
Pump,cooling System,engine
Cummins Inc.
5895-01-710-57023570-01 INTERCHANGEABLE
Control,interface
Cox & Company, Inc. Dba Cox & Co Inc
Cross-Reference Index
Part NumberManufacturer
55RS10585 PRIMARY Simpson Electric Company, Inc. (USA)
637-18050 Phaostron Instrument and Electronic Company (USA)
72-5007-1 Department of Defense Project Manager-Mobile Electric Power (USA)
35.7001 Ideal Precision Meter Co Dba Ideal Precision Meter Co (USA)
639-18050 Phaostron Instrument and Electronic Company (USA)
366-043 PRIMARY Jewell Instruments Llc (USA)
Related Parts
5920-00-142-7439INTERCHANGEABLE
FUSEHOLDER,BLOCK
BK-S-8002-1X-R
5920-00-213-6411INTERCHANGEABLE
FUSEHOLDER,BLOCK
5915-00-846-3723INTERCHANGEABLE
FILTER,BAND PASS
7744466P1
7490-00-920-9382INTERCHANGEABLE
WASHER ADJUST SCREW
357001
2930-00-938-1594INTERCHANGEABLE
PUMP,COOLING SYSTEM,ENGINE
180128
5895-01-710-5702INTERCHANGEABLE
CONTROL,INTERFACE
3570-01

Frequently Asked Questions

What is NSN 6625-01-038-6829?

NSN 6625-01-038-6829 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 6625-01-038-6829?

NSN 6625-01-038-6829 has 6 cross-referenced part numbers: 55RS10585 (Simpson Electric Company, Inc.), 637-18050 (Phaostron Instrument and Electronic Company), 72-5007-1 (Department of Defense Project Manager-Mobile Electric Power), 35.7001 (Ideal Precision Meter Co Dba Ideal Precision Meter Co), 639-18050 (Phaostron Instrument and Electronic Company) and 1 more.

What NSN replaces 6625-01-038-6829?

There are 6 known substitutes for 6625-01-038-6829: 5920-00-142-7439, 5920-00-213-6411, 5915-00-846-3723 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 55RS10585?

Key specifications for 55RS10585: Power Source: EXTERNAL; Pointer Color: BLACK SINGLE INDICATOR SINGLE RANGE; Circuit Attachment Method and Quantity: 2 THREADED STUD; Overall Diameter: 3.510 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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