PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

04580Ammeter

Simpson Electric Company, Inc. · NSN 6625-01-050-2431 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-01-050-2431 — this item is cataloged by the U.S. Government under National Stock Number 6625-01-050-2431. Primary manufacturer part number: 04580.
Features
  • Ammeter — FSC 6625
  • Pointer Color: RED SINGLE INDICATOR SINGLE RANGE
  • Scale Division Quantity: 50 SINGLE INDICATOR SINGLE RANGE
  • Scale Graduation Type: LINEAR SINGLE INDICATOR SINGLE RANGE
  • Barrel Width: 1.690 INCHES NOMINAL IN
  • Meter Body Width Behind Mounting Flange: 2.630 INCHES NOMINAL IN
  • Power Source: EXTERNAL
  • Accuracy in Percent: -3.0 TO 3.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Applications
  • Applications requiring Plastic Acrylic construction
General Description

The Ammeter, cataloged under National Stock Number 6625-01-050-2431, 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 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-01-050-2431
Primary Part Number04580
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerSimpson Electric Company, Inc.
StatusCANCELLED
Pointer ColorRED SINGLE INDICATOR SINGLE RANGE
Scale Division Quantity50 SINGLE INDICATOR SINGLE RANGE
Scale Graduation TypeLINEAR SINGLE INDICATOR SINGLE RANGE
Barrel Width1.690 INCHES NOMINAL IN
Meter Body Width Behind Mounting Flange2.630 INCHES NOMINAL IN
Power SourceEXTERNAL
Accuracy in Percent-3.0 TO 3.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Indicator TypeDIAL W/POINTER
Style DesignatorRECTANGULAR FLUSH MTG BARREL, DOWN
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Nuclear Hardness Critical FeatureNONHARDENED
Meter Body Height Behind Mounting Flange1.750 INCHES NOMINAL IN
Measurement Range+0.0 TO 100.0 MICROAMPERES, DC SINGLE INDICATOR SINGLE RANGE
Meter Depth Behind Mounting Flange3.165 INCHES MAXIMUM IN
Installation DesignPANEL
Circuit Attachment Method and Quantity2 SOLDER STUD
Movement TypeMOVING IRON VANE
Meter Barrel Depth1.880 INCHES NOMINAL IN
Panel for Which DesignedNONMAGNETIC
Circuit Construction TypeELECTRONIC, SOLID STATE
Circuit Current for Which DesignedAC OR DC
MaterialPLASTIC ACRYLIC
Pointer ColorRED SINGLE INDICATOR SINGLE RANGE
Scale Division Quantity50 SINGLE INDICATOR SINGLE RANGE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeJN
Verified Substitutes 12
No Item Name Available
5815-00-014-600404580 INTERCHANGEABLE
Follower,arm
Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service
5905-00-034-5872 INTERCHANGEABLE
Resistor,fixed,wire Wound
3110-00-101-084113268 INTERCHANGEABLE
Cone and Rollers,tapered Roller
Harbormaster Marine, Inc
5307-00-208-74874580 INTERCHANGEABLE
Stud,plain
Brinkley Technology Group Llc Dba Hercules Manufacturing
6240-00-283-99014580 INTERCHANGEABLE
Lamp,incandescent
American National Standards Institute Incorporated Dba American National Standards Institute
7910-00-389-88334580 INTERCHANGEABLE
Strap,sholder
Winchester Interconnect Ruggedized Corporation Dba Winchester Interconnect
3020-00-496-2111 INTERCHANGEABLE
Gear,internal
9150-00-933-46214580 INTERCHANGEABLE
Lubricant,dry
Marine Depot Maintenance Command Div Marine Corps Logistics Command, Usmc
5330-01-006-3722Z20089G014 INTERCHANGEABLE
Gasket
Jered Llc
Cross-Reference Index
Part NumberManufacturer
04580 Simpson Electric Company, Inc. (USA)
1522-100 UA Simpson Electric Company, Inc. (USA)
4580 Simpson Electric Company, Inc. (USA)
SRS401501 Scientific Radio Systems Inc (USA)
Related Parts
6625-01-089-1019SUCCESSOR
NO ITEM NAME AVAILABLE
5815-00-014-6004INTERCHANGEABLE
FOLLOWER,ARM
04580
5905-00-034-5872INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
3110-00-101-0841INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
13268
5307-00-208-7487INTERCHANGEABLE
STUD,PLAIN
4580
6240-00-283-9901INTERCHANGEABLE
LAMP,INCANDESCENT
4580
7910-00-389-8833INTERCHANGEABLE
STRAP,SHOLDER
4580
3020-00-496-2111INTERCHANGEABLE
GEAR,INTERNAL
9150-00-933-4621INTERCHANGEABLE
LUBRICANT,DRY
4580
5330-01-006-3722INTERCHANGEABLE
GASKET
Z20089G014
6540-01-139-7611INTERCHANGEABLE
OCCLUDER,EYE
12126
2540-01-156-9847INTERCHANGEABLE
ARM,WINDSHIELD WIPER
539156-2

Frequently Asked Questions

What is NSN 6625-01-050-2431?

NSN 6625-01-050-2431 is a Ammeter, manufactured by Simpson Electric Company, Inc., classified under FSC 6625 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6625-01-050-2431?

NSN 6625-01-050-2431 has 4 cross-referenced part numbers: 04580 (Simpson Electric Company, Inc.), 1522-100 UA (Simpson Electric Company, Inc.), 4580 (Simpson Electric Company, Inc.), SRS401501 (Scientific Radio Systems Inc).

What NSN replaces 6625-01-050-2431?

There are 12 known substitutes for 6625-01-050-2431: 6625-01-089-1019, 5815-00-014-6004, 5905-00-034-5872 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 04580?

Key specifications for 04580: Pointer Color: RED SINGLE INDICATOR SINGLE RANGE; Scale Division Quantity: 50 SINGLE INDICATOR SINGLE RANGE; Overall Width: 3.250 INCHES NOMINAL IN; Overall Height: 1.000 INCHES NOMINAL IN. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6625-01-050-2431 still in active supply?

NSN 6625-01-050-2431 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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