PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

304H0U2641Ammeter

Solartron Electronics Inc Weston Instruments Div · NSN 6625-00-580-5904 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-580-5904 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-580-5904. Primary manufacturer part number: 304H0U2641.
Features
  • Ammeter — FSC 6625
  • Meter Depth Behind Mounting Flange: 1.500 INCHES NOMINAL IN
  • Circuit Current for Which Designed: AC
  • Mounting Arrangement Style: THREE HOLE/STUD TRIANGULAR
  • Scale Division Quantity: 10 SINGLE INDICATOR SINGLE RANGE
  • Mounting Facility Type and Quantity: 3 FLANGE
  • Style Designator: ROUND FLUSH MTG
  • Scale Selection Method: TERMINAL
Applications
  • Applications requiring Plastic construction
General Description

The Ammeter, cataloged under National Stock Number 6625-00-580-5904, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Solartron Electronics Inc Weston Instruments Div. Government technical data includes 30 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-580-5904
Primary Part Number304H0U2641
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerSolartron Electronics Inc Weston Instruments Div
StatusCANCELLED
Meter Depth Behind Mounting Flange1.500 INCHES NOMINAL IN
Circuit Current for Which DesignedAC
Mounting Arrangement StyleTHREE HOLE/STUD TRIANGULAR
Scale Division Quantity10 SINGLE INDICATOR SINGLE RANGE
Mounting Facility Type and Quantity3 FLANGE
Style DesignatorROUND FLUSH MTG
Scale Selection MethodTERMINAL
MaterialPLASTIC
Measurement Range+0.0 TO 150.0 AMPERES, AC SINGLE INDICATOR SECOND RANGE
Special MarkingsRED LINE AT 104 AMP ON 150 AMP SCALE,RED LINE AT 35 AMP AND 60 AMP ON 75 AMP SCALE
ColorUNABLE TO DECODE
Dial Scale Marking ColorWHITE SINGLE INDICATOR SINGLE RANGE
Center to Center Distance Between Mounting Facilities Parallel to Length3.160 INCHES NOMINAL IN
Measurement Range+0.0 TO 75.0 AMPERES, AC SINGLE INDICATOR FIRST RANGE
Circuit Attachment Method and Quantity2 BINDING POST
Installation DesignPANEL
Overall Diameter3.500 INCHES NOMINAL IN
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Meter Body Diameter Behind Mounting Flange2.750 INCHES NOMINAL IN
Movement Suspension MethodJEWEL PIVOT BASE
Center to Center Distance Between Mounting Facilities Parallel to Width3.160 INCHES NOMINAL IN
Shortest Horizontal Distance Between Mounting Centers1.580 INCHES NOMINAL IN
Sensitivity Rating50.0 MILLIVOLTS
Meter Depth Behind Mounting Flange1.500 INCHES NOMINAL IN
Circuit Current for Which DesignedAC
Mounting Arrangement StyleTHREE HOLE/STUD TRIANGULAR
Scale Division Quantity10 SINGLE INDICATOR SINGLE RANGE
Mounting Facility Type and Quantity3 FLANGE
Style DesignatorROUND FLUSH MTG
Scale Selection MethodTERMINAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeJN
Verified Substitutes 7
No Item Name Available
6625-00-004-1255GS5460-553 INTERCHANGEABLE
Voltmeter
Hamilton Sundstrand Corporation Dba Collins Aerospace
6625-00-063-0687 INTERCHANGEABLE
Voltmeter
6625-00-199-1778 INTERCHANGEABLE
Voltmeter
5999-00-986-0722323027 INTERCHANGEABLE
Contact,electrical
Yale Security Inc. Dba Norton Door Control
5999-01-298-2104 INTERCHANGEABLE
Heat Sink,electrical-Electronic
5999-01-327-2916 INTERCHANGEABLE
Heat Sink-Insulator
Cross-Reference Index
Part NumberManufacturer
304H0U2641 Solartron Electronics Inc Weston Instruments Div (USA)
H0U2641 Solartron Electronics Inc Weston Instruments Div (USA)
MR35B150AFAA Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
304 Solartron Electronics Inc Weston Instruments Div (USA)
Related Parts
6625-00-781-5768SUCCESSOR
NO ITEM NAME AVAILABLE
6625-00-004-1255INTERCHANGEABLE
VOLTMETER
GS5460-553
6625-00-063-0687INTERCHANGEABLE
VOLTMETER
6625-00-199-1778INTERCHANGEABLE
VOLTMETER
5999-00-986-0722INTERCHANGEABLE
CONTACT,ELECTRICAL
323027
5999-01-298-2104INTERCHANGEABLE
HEAT SINK,ELECTRICAL-ELECTRONIC
5999-01-327-2916INTERCHANGEABLE
HEAT SINK-INSULATOR

Frequently Asked Questions

What is NSN 6625-00-580-5904?

NSN 6625-00-580-5904 is a Ammeter, manufactured by Solartron Electronics Inc Weston Instruments Div, classified under FSC 6625 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6625-00-580-5904?

NSN 6625-00-580-5904 has 4 cross-referenced part numbers: 304H0U2641 (Solartron Electronics Inc Weston Instruments Div), H0U2641 (Solartron Electronics Inc Weston Instruments Div), MR35B150AFAA (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 304 (Solartron Electronics Inc Weston Instruments Div).

What NSN replaces 6625-00-580-5904?

There are 7 known substitutes for 6625-00-580-5904: 6625-00-781-5768, 6625-00-004-1255, 6625-00-063-0687 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 304H0U2641?

Key specifications for 304H0U2641: Meter Depth Behind Mounting Flange: 1.500 INCHES NOMINAL IN; Circuit Current for Which Designed: AC; Mounting Arrangement Style: THREE HOLE/STUD TRIANGULAR; Scale Division Quantity: 10 SINGLE INDICATOR SINGLE RANGE. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6625-00-580-5904 still in active supply?

NSN 6625-00-580-5904 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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