PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1521Meter,audio Level

Solartron Electronics Inc Weston Instruments Div · NSN 6625-00-669-1204 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-669-1204 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-669-1204. Primary manufacturer part number: 1521.
Features
  • Meter,audio Level — FSC 6625
  • Material: STEEL
  • Style Designator: ROUND FLUSH MTG
  • Mounting Facility Type and Quantity: 3 UNTHREADED HOLE(S)
  • Features Provided: MAGNETIC SHIELD AND ZERO ADJUSTER
  • Special Markings: SET POWER AT 1,SET ZERO AT 0
  • Color: UNABLE TO DECODE
  • Nuclear Hardness Critical Feature: NONHARDENED
Applications
  • Applications requiring Steel construction
General Description

The Meter,audio Level, cataloged under National Stock Number 6625-00-669-1204, 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 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-669-1204
Primary Part Number1521
Item NameMeter,audio Level
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerSolartron Electronics Inc Weston Instruments Div
StatusCANCELLED
MaterialSTEEL
Style DesignatorROUND FLUSH MTG
Mounting Facility Type and Quantity3 UNTHREADED HOLE(S)
Features ProvidedMAGNETIC SHIELD AND ZERO ADJUSTER
Special MarkingsSET POWER AT 1,SET ZERO AT 0
ColorUNABLE TO DECODE
Nuclear Hardness Critical FeatureNONHARDENED
Movement Suspension MethodJEWEL PIVOT BASE
Meter Depth Behind Mounting Flange1.380 INCHES NOMINAL IN
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Movement TypeMOVING COIL, PERMANENT MAGNET
Indicator TypeDIAL W/POINTER
Power SourceEXTERNAL
Installation DesignPANEL
Environmental ProtectionSHOCK RESISTANT AND VIBRATION RESISTANT
Circuit Attachment Method and Quantity2 SOLDER LUG
Circuit Current for Which DesignedDC
Meter Body Diameter Behind Mounting Flange2.210 INCHES NOMINAL IN
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Mounting Bolt Circle Diameter2.440 INCHES NOMINAL IN
Overall Diameter2.750 INCHES NOMINAL IN
Mounting Hole Diameter0.112 INCHES NOMINAL IN
MaterialSTEEL
Style DesignatorROUND FLUSH MTG
Mounting Facility Type and Quantity3 UNTHREADED HOLE(S)
Features ProvidedMAGNETIC SHIELD AND ZERO ADJUSTER
Special MarkingsSET POWER AT 1,SET ZERO AT 0
ColorUNABLE TO DECODE
Lifecycle & Compliance
Acquisition StatusCANCELLED
Successor6625-00-538-9246
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueEA
SMR CodeJZ
Weight0.2000 lbs
Cube0.0347 cu ft
Verified Substitutes 8
No Item Name Available
Voltmeter
6625-00-679-08919073243 SUCCESSOR
Meter,arbitrary Scale
Us Army Aviation and Missile Command
6625-00-875-069610105460 SUCCESSOR
Meter,arbitrary Scale
Us Army Aviation and Missile Command
Wattmeter
6625-00-950-63592514984 SUCCESSOR
Meter,arbitrary Scale
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
6625-01-030-00491603463 SUCCESSOR
Voltmeter
Lockheed Martin Corporation Div Rms - Mitchel Field
6625-01-067-1129S10914 SUCCESSOR
Meter,special Scale
Simpson Electric Company, Inc.
Cross-Reference Index
Part NumberManufacturer
1521 Solartron Electronics Inc Weston Instruments Div (USA)
P320C1014 Mutron Corp (USA)
C50461 Mutron Corp (USA)
Related Parts
SUCCESSOR 6625-00-538-9246 Voltmeter
6625-00-538-6561SUCCESSOR
NO ITEM NAME AVAILABLE
6625-00-679-0891SUCCESSOR
METER,ARBITRARY SCALE
9073243
6625-00-875-0696SUCCESSOR
METER,ARBITRARY SCALE
10105460
6625-00-884-0655SUCCESSOR
WATTMETER
6625-00-950-6359SUCCESSOR
METER,ARBITRARY SCALE
2514984
6625-01-030-0049SUCCESSOR
VOLTMETER
1603463
6625-01-067-1129SUCCESSOR
METER,SPECIAL SCALE
S10914

Frequently Asked Questions

What is NSN 6625-00-669-1204?

NSN 6625-00-669-1204 is a Meter,audio Level, 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 6625-00-669-1204?

NSN 6625-00-669-1204 has 3 cross-referenced part numbers: 1521 (Solartron Electronics Inc Weston Instruments Div), P320C1014 (Mutron Corp), C50461 (Mutron Corp).

What NSN replaces 6625-00-669-1204?

There are 8 known substitutes for 6625-00-669-1204: 6625-00-538-6561, 6625-00-538-9246, 6625-00-679-0891 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1521?

Key specifications for 1521: Material: STEEL; Style Designator: ROUND FLUSH MTG; Mounting Facility Type and Quantity: 3 UNTHREADED HOLE(S); Features Provided: MAGNETIC SHIELD AND ZERO ADJUSTER. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6625-00-669-1204 still in active supply?

NSN 6625-00-669-1204 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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