PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1539Meter,audio Level

Solartron Electronics Inc Weston Instruments Div · NSN 6625-01-057-5324 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-01-057-5324 — this item is cataloged by the U.S. Government under National Stock Number 6625-01-057-5324. Primary manufacturer part number: 1539.
Features
  • Meter,audio Level — FSC 6625
  • Dial Scale Marking Color: BLACK SINGLE INDICATOR ALL RANGES
  • Measurement Range: -16.0 TO 16.0 DECIBELS SINGLE INDICATOR FIRST RANGE
  • Circuit Attachment Method and Quantity: 2 SOLDER LUG
  • Scale Selection Method: TERMINAL
  • Movement Suspension Method: JEWEL PIVOT BASE
  • Features Provided: ZERO ADJUSTER
  • Power Source: EXTERNAL
Applications
  • Applications requiring Steel construction
General Description

The Meter,audio Level, cataloged under National Stock Number 6625-01-057-5324, 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 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 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. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-01-057-5324
Primary Part Number1539
Item NameMeter,audio Level
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerSolartron Electronics Inc Weston Instruments Div
StatusACTIVE
Dial Scale Marking ColorBLACK SINGLE INDICATOR ALL RANGES
Measurement Range-16.0 TO 16.0 DECIBELS SINGLE INDICATOR FIRST RANGE
Circuit Attachment Method and Quantity2 SOLDER LUG
Scale Selection MethodTERMINAL
Movement Suspension MethodJEWEL PIVOT BASE
Features ProvidedZERO ADJUSTER
Power SourceEXTERNAL
Dielectric Withstanding Voltage in Volts3000.0
Pointer ColorBLACK SINGLE INDICATOR ALL RANGES
Meter Body Diameter Behind Mounting Flange2.800 INCHES MAXIMUM IN
Measurement Range-160.0 TO 160.0 DECIBELS SINGLE INDICATOR SECOND RANGE
Meter Depth Behind Mounting Flange2.420 INCHES MAXIMUM IN
Movement TypeMOVING COIL, PERMANENT MAGNET
Nuclear Hardness Critical FeatureNONHARDENED
Special MarkingsLEFT AND RIGHT AT RESPECTIVE FULL SCALE DEFLECTIONS
Special Test FeaturesCONFORMS TO MIL-M-10304
MaterialSTEEL
Surface TreatmentENAMEL
Supplementary FeaturesCUTOUTS IN BEZEL PERMIT LIGHT ON DIAL
Style DesignatorROUND FLUSH MTG
FSC Application DataTEST SET,ELECT. EQUIP.
ColorUNABLE TO DECODE
Indicator TypeDIAL W/POINTER
Accuracy in Percent-1.0 TO 1.0 AT FULL SCALE SINGLE INDICATOR ALL RANGES
Sensitivity Rating200.0 MICROAMPERES
Mounting Bolt Circle Diameter3.160 INCHES NOMINAL IN
Mounting Facility Type and Quantity3 UNTHREADED HOLE(S)
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Furnished Items and QuantityMTG HDW 3
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6625-00-995-3806 (7709299P021)
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJ
Weight1.0000 lbs
Cube0.0310 cu ft
Verified Substitutes 12
6625-00-995-38067709299P021 SUCCESSOR
Voltmeter
Lockheed Martin Corporation Div Rms
6625-01-075-9209SM-C-889062 SUCCESSOR
Ammeter
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6625-01-088-97210222-401 SUCCESSOR
Modulator,pin
Undersea Sensor Systems Inc Div Ultra Sonobuoy Systems
6625-00-058-0357ARX194-35 INTERCHANGEABLE
Meter,electrical Frequency
Frontgrade Technologies Inc. Dba Frontgrade Technologies Inc.
6625-00-091-9953 INTERCHANGEABLE
Meter,multiple Scale
6625-00-255-1047 INTERCHANGEABLE
Meter,arbitrary Scale
6625-00-403-7350 INTERCHANGEABLE
Meter,arbitrary Scale
6625-00-403-7351 INTERCHANGEABLE
Meter,special Scale
6625-00-472-7849 INTERCHANGEABLE
Meter,special Scale
6625-00-472-7853 INTERCHANGEABLE
Meter,special Scale
Cross-Reference Index
Part NumberManufacturer
1539 Solartron Electronics Inc Weston Instruments Div (USA)
17-16059-1 Lockheed Martin Corporation Dba Lockheed Martin Rotary and Mission Systems Div Rms- C6isr (USA)
17-16059-1 Textron Systems Corporation Dba Textron Systems Corp (USA)
Related Parts
SUCCESSOR 6625-00-995-3806 Voltmeter · 7709299P021
6625-01-075-9209SUCCESSOR
AMMETER
SM-C-889062
6625-01-088-9721SUCCESSOR
MODULATOR,PIN
0222-401
6625-00-058-0357INTERCHANGEABLE
METER,ELECTRICAL FREQUENCY
ARX194-35
6625-00-091-9953INTERCHANGEABLE
METER,MULTIPLE SCALE
6625-00-255-1047INTERCHANGEABLE
METER,ARBITRARY SCALE
6625-00-403-7350INTERCHANGEABLE
METER,ARBITRARY SCALE
6625-00-403-7351INTERCHANGEABLE
METER,SPECIAL SCALE
6625-00-472-7849INTERCHANGEABLE
METER,SPECIAL SCALE
6625-00-472-7853INTERCHANGEABLE
METER,SPECIAL SCALE
6625-00-683-9542INTERCHANGEABLE
METER,SPECIAL SCALE
7709299P10
6625-00-893-0506INTERCHANGEABLE
VOLTMETER
2105897

Frequently Asked Questions

What is NSN 6625-01-057-5324?

NSN 6625-01-057-5324 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 6625-01-057-5324?

NSN 6625-01-057-5324 has 3 cross-referenced part numbers: 1539 (Solartron Electronics Inc Weston Instruments Div), 17-16059-1 (Lockheed Martin Corporation Dba Lockheed Martin Rotary and Mission Systems Div Rms- C6isr), 17-16059-1 (Textron Systems Corporation Dba Textron Systems Corp).

What NSN replaces 6625-01-057-5324?

There are 12 known substitutes for 6625-01-057-5324: 6625-00-995-3806, 6625-01-075-9209, 6625-01-088-9721 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1539?

Key specifications for 1539: Dial Scale Marking Color: BLACK SINGLE INDICATOR ALL RANGES; Measurement Range: -16.0 TO 16.0 DECIBELS SINGLE INDICATOR FIRST RANGE; Circuit Attachment Method and Quantity: 2 SOLDER LUG; Scale Selection Method: TERMINAL. 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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