PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4524-1Meter,audio Level

Martin Marietta Technologies Inc Sub of Martin Marietta Corp Aero and Naval Systems · NSN 6625-00-866-9195 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-866-9195 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-866-9195. Primary manufacturer part number: 4524-1.
Features
  • Meter,audio Level — FSC 6625
  • Meter Body Diameter Behind Mounting Flange: 2.050 INCHES NOMINAL IN
  • Movement Type: MOVING COIL, PERMANENT MAGNET
  • Features Provided: MAGNETIC SHIELD AND ZERO ADJUSTER
  • Circuit Attachment Method and Quantity: 2 THREADED STUD
  • Sensitivity Rating: 100.0 MICROAMPERES
  • Mounting Hole Diameter: 0.125 INCHES NOMINAL IN
  • Material: STEEL
Applications
  • Applications requiring Steel construction
General Description

The Meter,audio Level, cataloged under National Stock Number 6625-00-866-9195, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Martin Marietta Technologies Inc Sub of Martin Marietta Corp Aero and Naval Systems. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 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
NSN6625-00-866-9195
Primary Part Number4524-1
Item NameMeter,audio Level
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerMartin Marietta Technologies Inc Sub of Martin Marietta Corp Aero and Naval Systems
StatusACTIVE
Meter Body Diameter Behind Mounting Flange2.050 INCHES NOMINAL IN
Movement TypeMOVING COIL, PERMANENT MAGNET
Features ProvidedMAGNETIC SHIELD AND ZERO ADJUSTER
Circuit Attachment Method and Quantity2 THREADED STUD
Sensitivity Rating100.0 MICROAMPERES
Mounting Hole Diameter0.125 INCHES NOMINAL IN
MaterialSTEEL
Style DesignatorROUND FLUSH MTG
Special MarkingsRED BAND FROM M 1 TO P 1 DB DB
Nuclear Hardness Critical FeatureNONHARDENED
FSC Application DataTEST SET,ELECT. EQUIP.
ColorUNABLE TO DECODE
Power SourceEXTERNAL
Scale Graduation TypeNONLINEAR SINGLE INDICATOR SINGLE RANGE
Meter Depth Behind Mounting Flange1.390 INCHES NOMINAL IN
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Measurement Range-10.0 TO 10.0 DECIBELS SINGLE INDICATOR SINGLE RANGE
Circuit Current for Which DesignedDC
Environmental ProtectionSHOCK RESISTANT AND VIBRATION RESISTANT
Installation DesignPANEL
Movement Suspension MethodJEWEL PIVOT BASE
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Mounting Bolt Circle Diameter2.440 INCHES NOMINAL IN
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Furnished Items and QuantityWASHER 9; NUT 7
Indicator TypeDIAL W/POINTER
Mounting Facility Type and Quantity3 SCREW AND 3 UNTHREADED HOLE(S)
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6625-00-010-6406 (10183082)
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJ
Weight0.9000 lbs
Cube0.0443 cu ft
Verified Substitutes 12
6625-00-010-640610183082 SUCCESSOR
Meter,arbitrary Scale
Us Army Aviation and Missile Command
6625-00-510-66288174002 SUCCESSOR
Meter,special Scale
Us Army Aviation and Missile Command
Ammeter
6625-00-781-57457707590P42 SUCCESSOR
Ammeter
Lockheed Martin Corporation Div Rms
6625-00-875-069610105460 SUCCESSOR
Meter,arbitrary Scale
Us Army Aviation and Missile Command
6625-00-984-21352388802 SUCCESSOR
Ammeter
Lockheed Martin Corporation Div Rms - Mitchel Field
6625-01-069-1494SM-A-776453 SUCCESSOR
Ammeter
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6625-01-188-716068282-1 SUCCESSOR
Meter,multiple Scale
L3harris Technologies, Inc. Div Space and Airborne Systems
6625-01-573-60084524 SUCCESSOR
Absorber,radio Frequency Radiati
Laird R & F Products, Inc.
5998-01-696-40424524 SUCCESSOR
Extender Card,electronic Test
Adafruit Industries Llc
Cross-Reference Index
Part NumberManufacturer
4524-1 Martin Marietta Technologies Inc Sub of Martin Marietta Corp Aero and Naval Systems (USA)
2521 Solartron Electronics Inc Weston Instruments Div (USA)
C4524 Martin Marietta Technologies Inc Sub of Martin Marietta Corp Aero and Naval Systems (USA)
4524 Martin Marietta Technologies Inc Sub of Martin Marietta Corp Aero and Naval Systems (USA)
200-17 Jewell Instruments Llc (USA)
Related Parts
SUCCESSOR 6625-00-010-6406 Meter,arbitrary Scale · 10183082
6625-00-510-6628SUCCESSOR
METER,SPECIAL SCALE
8174002
6625-00-580-1885SUCCESSOR
AMMETER
6625-00-781-5745SUCCESSOR
AMMETER
7707590P42
6625-00-875-0696SUCCESSOR
METER,ARBITRARY SCALE
10105460
6625-00-984-2135SUCCESSOR
AMMETER
2388802
6625-01-069-1494SUCCESSOR
AMMETER
SM-A-776453
6625-01-188-7160SUCCESSOR
METER,MULTIPLE SCALE
68282-1
6625-01-573-6008SUCCESSOR
ABSORBER,RADIO FREQUENCY RADIATI
4524
5998-01-696-4042SUCCESSOR
EXTENDER CARD,ELECTRONIC TEST
4524
5305-00-001-4887INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
20017
5310-00-012-0423INTERCHANGEABLE
WASHER,LOCK
100153

Frequently Asked Questions

What is NSN 6625-00-866-9195?

NSN 6625-00-866-9195 is a Meter,audio Level, manufactured by Martin Marietta Technologies Inc Sub of Martin Marietta Corp Aero and Naval Systems, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-866-9195?

NSN 6625-00-866-9195 has 5 cross-referenced part numbers: 4524-1 (Martin Marietta Technologies Inc Sub of Martin Marietta Corp Aero and Naval Systems), 2521 (Solartron Electronics Inc Weston Instruments Div), C4524 (Martin Marietta Technologies Inc Sub of Martin Marietta Corp Aero and Naval Systems), 4524 (Martin Marietta Technologies Inc Sub of Martin Marietta Corp Aero and Naval Systems), 200-17 (Jewell Instruments Llc).

What NSN replaces 6625-00-866-9195?

There are 12 known substitutes for 6625-00-866-9195: 6625-00-010-6406, 6625-00-510-6628, 6625-00-580-1885 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4524-1?

Key specifications for 4524-1: Meter Body Diameter Behind Mounting Flange: 2.050 INCHES NOMINAL IN; Movement Type: MOVING COIL, PERMANENT MAGNET; Features Provided: MAGNETIC SHIELD AND ZERO ADJUSTER; Circuit Attachment Method and Quantity: 2 THREADED STUD. 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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