PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

506Ammeter

Solartron Electronics Inc Weston Instruments Div · NSN 6625-00-669-3079 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-669-3079 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-669-3079. Primary manufacturer part number: 506.
Features
  • Ammeter — FSC 6625
  • Dial Scale Marking Color: BLACK SINGLE INDICATOR SINGLE RANGE
  • Circuit Current for Which Designed: DC
  • Mounting Bolt Circle Diameter: 2.440 INCHES NOMINAL IN
  • Material: PLASTIC
  • Mounting Hole Diameter: 0.125 INCHES NOMINAL IN
  • Installation Design: PANEL
  • Mounting Arrangement Style: THREE HOLE/STUD BOLT CIRCLE
Applications
  • Applications requiring Plastic construction
General Description

The Ammeter, cataloged under National Stock Number 6625-00-669-3079, 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 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6625-00-669-3079
Primary Part Number506
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerSolartron Electronics Inc Weston Instruments Div
StatusACTIVE
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Circuit Current for Which DesignedDC
Mounting Bolt Circle Diameter2.440 INCHES NOMINAL IN
MaterialPLASTIC
Mounting Hole Diameter0.125 INCHES NOMINAL IN
Installation DesignPANEL
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Circuit Attachment Method and Quantity2 THREADED STUD
Overall Diameter2.695 INCHES NOMINAL IN
Mounting Facility Type and Quantity3 UNTHREADED HOLE(S)
ColorUNABLE TO DECODE
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Circuit Current for Which DesignedDC
Mounting Bolt Circle Diameter2.440 INCHES NOMINAL IN
MaterialPLASTIC
Mounting Hole Diameter0.125 INCHES NOMINAL IN
Installation DesignPANEL
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Circuit Attachment Method and Quantity2 THREADED STUD
Overall Diameter2.695 INCHES NOMINAL IN
Mounting Facility Type and Quantity3 UNTHREADED HOLE(S)
ColorUNABLE TO DECODE
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6625-00-504-2980
HAZMATNo
Verified Substitutes 12
Ammeter
Voltmeter
Ammeter
Ammeter
Ammeter
Ammeter
Meter,arbitrary Scale
Voltmeter
6625-01-462-6376506 SUCCESSOR
Multimeter
Hc Protek
6625-01-540-3811506 SUCCESSOR
Case,electrical-Electronic Test
Platt Luggage, Inc.
Cross-Reference Index
Part NumberManufacturer
506 Solartron Electronics Inc Weston Instruments Div (USA)
MILM6 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MR25W100DCUA Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MR25W100DCUA Joint Army-Navy Specifications Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
SUCCESSOR 6625-00-504-2980 Meter,arbitrary Scale
6625-00-668-9246SUCCESSOR
AMMETER
6625-00-838-4356SUCCESSOR
VOLTMETER
6625-01-023-2776SUCCESSOR
AMMETER
6625-00-231-0735SUCCESSOR
AMMETER
6625-00-241-4266SUCCESSOR
AMMETER
6625-00-299-6259SUCCESSOR
AMMETER
6625-00-836-7431SUCCESSOR
VOLTMETER
6625-01-462-6376SUCCESSOR
MULTIMETER
506
6625-01-540-3811SUCCESSOR
CASE,ELECTRICAL-ELECTRONIC TEST
506
6625-00-186-8296INTERCHANGEABLE
AMMETER
6625-00-440-6548INTERCHANGEABLE
AMMETER

Frequently Asked Questions

What is NSN 6625-00-669-3079?

NSN 6625-00-669-3079 is a Ammeter, manufactured by Solartron Electronics Inc Weston Instruments Div, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-669-3079?

NSN 6625-00-669-3079 has 4 cross-referenced part numbers: 506 (Solartron Electronics Inc Weston Instruments Div), MILM6 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MR25W100DCUA (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MR25W100DCUA (Joint Army-Navy Specifications Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 6625-00-669-3079?

There are 12 known substitutes for 6625-00-669-3079: 6625-00-668-9246, 6625-00-838-4356, 6625-01-023-2776 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 506?

Key specifications for 506: Dial Scale Marking Color: BLACK SINGLE INDICATOR SINGLE RANGE; Circuit Current for Which Designed: DC; Mounting Bolt Circle Diameter: 2.440 INCHES NOMINAL IN; Material: PLASTIC. 22 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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