PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2521-2-4Meter,audio Level

Solartron Electronics Inc Weston Instruments Div · NSN 6625-00-724-7046 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-724-7046 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-724-7046. Primary manufacturer part number: 2521-2-4.
Features
  • Meter,audio Level — FSC 6625
  • Installation Design: PANEL
  • Overall Diameter: 2.690 INCHES MAXIMUM IN
  • Circuit Current for Which Designed: DC
  • Features Provided: MAGNETIC SHIELD AND ZERO ADJUSTER
  • Indicator Type: DIAL W/POINTER
  • Mounting Facility Type and Quantity: 3 SCREW AND 3 UNTHREADED HOLE(S)
  • Supplementary Features: EXT MAGNET
Applications
  • Applications requiring Steel construction
General Description

The Meter,audio Level, cataloged under National Stock Number 6625-00-724-7046, 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 28 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-724-7046
Primary Part Number2521-2-4
Item NameMeter,audio Level
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerSolartron Electronics Inc Weston Instruments Div
StatusACTIVE
Installation DesignPANEL
Overall Diameter2.690 INCHES MAXIMUM IN
Circuit Current for Which DesignedDC
Features ProvidedMAGNETIC SHIELD AND ZERO ADJUSTER
Indicator TypeDIAL W/POINTER
Mounting Facility Type and Quantity3 SCREW AND 3 UNTHREADED HOLE(S)
Supplementary FeaturesEXT MAGNET
Scale Graduation TypeNONLINEAR SINGLE INDICATOR SINGLE RANGE
MaterialSTEEL
Measurement Range-10.0 TO 10.0 DECIBELS SINGLE INDICATOR SINGLE RANGE
FSC Application DataTEST SET,ELECT. EQUIP.
Special MarkingsSEALED DO NOT OPEN ON BACK OF METER
Nuclear Hardness Critical FeatureNONHARDENED
Style DesignatorROUND FLUSH MTG
ColorUNABLE TO DECODE
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Power SourceEXTERNAL
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Furnished Items and QuantityNUT 5; WASHER 5
Movement TypeMOVING COIL, PERMANENT MAGNET
Sensitivity Rating150.0 MILLIVOLTS
Mounting Bolt Circle Diameter2.440 INCHES NOMINAL IN
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Mounting Hole Diameter0.138 INCHES NOMINAL IN
Dielectric Withstanding Voltage in Volts3000.0
Circuit Attachment Method and Quantity2 SOLDER LUG AND 2 THREADED STUD
Movement Suspension MethodJEWEL PIVOT BASE
Meter Depth Behind Mounting Flange1.390 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeX
Verified Substitutes 4
6625-00-669-0250ME1032 SUCCESSOR
Voltmeter
Bae Systems Information and Electronic Systems Integration Inc.
1270-00-876-9944252124 INTERCHANGEABLE
Valve,filler
Raytheon Company Dba Raytheon
6115-01-568-7802610189 INTERCHANGEABLE
Guard,fan Impeller
Associated Equipment Corporation Dba Associated Equipment Corp
6640-01-686-5017610189 INTERCHANGEABLE
Reader,micro Hematocrit
Meridian Bioscience Inc
Cross-Reference Index
Part NumberManufacturer
2521-2-4 Solartron Electronics Inc Weston Instruments Div (USA)
610189REVE Bae Systems Information and Electronic Systems Integration Inc. (USA)
610189 Bae Systems Information and Electronic Systems Integration Inc. (USA)
908-305 Jewell Instruments Llc (USA)
2521-2-4 Custom Metering Company Inc (USA)
2521-2-4 Metermaster Inc Metermod Div (USA)
Related Parts
6625-00-669-0250SUCCESSOR
VOLTMETER
ME1032
1270-00-876-9944INTERCHANGEABLE
VALVE,FILLER
252124
6115-01-568-7802INTERCHANGEABLE
GUARD,FAN IMPELLER
610189
6640-01-686-5017INTERCHANGEABLE
READER,MICRO HEMATOCRIT
610189

Frequently Asked Questions

What is NSN 6625-00-724-7046?

NSN 6625-00-724-7046 is a Meter,audio Level, 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 6625-00-724-7046?

NSN 6625-00-724-7046 has 6 cross-referenced part numbers: 2521-2-4 (Solartron Electronics Inc Weston Instruments Div), 610189REVE (Bae Systems Information and Electronic Systems Integration Inc.), 610189 (Bae Systems Information and Electronic Systems Integration Inc.), 908-305 (Jewell Instruments Llc), 2521-2-4 (Custom Metering Company Inc) and 1 more.

What NSN replaces 6625-00-724-7046?

There are 4 known substitutes for 6625-00-724-7046: 6625-00-669-0250, 1270-00-876-9944, 6115-01-568-7802 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2521-2-4?

Key specifications for 2521-2-4: Installation Design: PANEL; Overall Diameter: 2.690 INCHES MAXIMUM IN; Circuit Current for Which Designed: DC; Features Provided: MAGNETIC SHIELD AND ZERO ADJUSTER. 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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