PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

34-38-04-00Meter,audio Level

Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp · NSN 6625-00-545-7948 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-545-7948 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-545-7948. Primary manufacturer part number: 34-38-04-00.
Features
  • Meter,audio Level — FSC 6625
  • Special Markings: - AND + SIGNS ON RESPECTIVE SIDES OF WORD DECIBELS
  • Material: PLASTIC
  • Indicator Type: DIAL W/POINTER
  • Overall Diameter: 2.688 INCHES NOMINAL IN
  • Features Provided: MAGNETIC SHIELD
  • Meter Body Diameter Behind Mounting Flange: 2.170 INCHES NOMINAL IN
  • Scale Selection Method: TERMINAL
Applications
  • Applications requiring Plastic construction
General Description

The Meter,audio Level, cataloged under National Stock Number 6625-00-545-7948, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6625-00-545-7948
Primary Part Number34-38-04-00
Item NameMeter,audio Level
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corp Dba Northrop Grumman Systems Corp
StatusACTIVE
Special Markings- AND + SIGNS ON RESPECTIVE SIDES OF WORD DECIBELS
MaterialPLASTIC
Indicator TypeDIAL W/POINTER
Overall Diameter2.688 INCHES NOMINAL IN
Features ProvidedMAGNETIC SHIELD
Meter Body Diameter Behind Mounting Flange2.170 INCHES NOMINAL IN
Scale Selection MethodTERMINAL
Nuclear Hardness Critical FeatureNONHARDENED
Movement Suspension MethodJEWEL PIVOT BASE
Mounting Facility Type and Quantity3 UNTHREADED HOLE(S)
ColorUNABLE TO DECODE
Style DesignatorROUND FLUSH MTG
Accuracy in Percent-3.0 TO 3.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Movement TypeMOVING COIL, PERMANENT MAGNET
Meter Depth Behind Mounting Flange1.063 INCHES NOMINAL IN
Circuit Current for Which DesignedDC
Scale Graduation TypeNONLINEAR SINGLE INDICATOR SINGLE RANGE
Mounting Hole Diameter0.125 INCHES NOMINAL IN
Mounting Bolt Circle Diameter2.440 INCHES NOMINAL IN
Measurement Range-15.0 TO 8.0 DECIBELS SINGLE INDICATOR SINGLE RANGE
Power SourceEXTERNAL
Circuit Attachment Method and Quantity2 THREADED STUD
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Installation DesignPANEL
Furnished Items and QuantityTERM. HDW 2
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
FSC Application DataTEST SET,ELECT. EQUIP.
Special Markings- AND + SIGNS ON RESPECTIVE SIDES OF WORD DECIBELS
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6625-00-217-1445 (1021)
HAZMATNo
Weight0.7500 lbs
Cube0.0160 cu ft
Verified Substitutes 11
6625-00-217-14451021 SUCCESSOR
Meter,arbitrary Scale
Schenck Usa Corp. Dba Schenck Usa Corp
6625-00-179-1217 INTERCHANGEABLE
Meter,audio Level
6625-00-500-4581 INTERCHANGEABLE
Meter,arbitrary Scale
6625-00-643-1804107A9D INTERCHANGEABLE
Voltmeter
Entron Industries Limited Partnership Dba Entron Industries Property Div
6625-00-643-2272ME1032ISSUEA INTERCHANGEABLE
Voltmeter
Bae Systems Information and Electronic Systems Integration Inc.
6625-00-668-9315SCC64778 INTERCHANGEABLE
Voltmeter
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6625-00-669-0250ME1032 INTERCHANGEABLE
Voltmeter
Bae Systems Information and Electronic Systems Integration Inc.
6625-00-684-7886 INTERCHANGEABLE
Meter,electrical Frequency
6625-00-799-8111 INTERCHANGEABLE
Meter,electrical Frequency
5998-00-800-6737 INTERCHANGEABLE
Electronic Components Assembly
Cross-Reference Index
Part NumberManufacturer
1522CLASS52 American Telephone and Telegraph Co (USA)
1522CLASS52 Lucent Technologies Inc Corporate Headquarters (USA)
1522CLASS52 At and T Corp (USA)
34-38-04-00 PRIMARY Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp (USA)
1021 Solartron Electronics Inc Weston Instruments Div (USA)
1522CLASS52 Lucent Technologies Inc Dba Federal Marketing Group (USA)
Related Parts
SUCCESSOR 6625-00-217-1445 Meter,arbitrary Scale · 1021
6625-00-179-1217INTERCHANGEABLE
METER,AUDIO LEVEL
6625-00-500-4581INTERCHANGEABLE
METER,ARBITRARY SCALE
6625-00-643-1804INTERCHANGEABLE
VOLTMETER
107A9D
6625-00-643-2272INTERCHANGEABLE
VOLTMETER
ME1032ISSUEA
6625-00-668-9315INTERCHANGEABLE
VOLTMETER
SCC64778
6625-00-669-0250INTERCHANGEABLE
VOLTMETER
ME1032
6625-00-684-7886INTERCHANGEABLE
METER,ELECTRICAL FREQUENCY
6625-00-799-8111INTERCHANGEABLE
METER,ELECTRICAL FREQUENCY
5998-00-800-6737INTERCHANGEABLE
ELECTRONIC COMPONENTS ASSEMBLY
6625-01-049-8558INTERCHANGEABLE
VOLTMETER

Frequently Asked Questions

What is NSN 6625-00-545-7948?

NSN 6625-00-545-7948 is a Meter,audio Level, manufactured by Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-545-7948?

NSN 6625-00-545-7948 has 6 cross-referenced part numbers: 1522CLASS52 (American Telephone and Telegraph Co), 1522CLASS52 (Lucent Technologies Inc Corporate Headquarters), 1522CLASS52 (At and T Corp), 34-38-04-00 (Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp), 1021 (Solartron Electronics Inc Weston Instruments Div) and 1 more.

What NSN replaces 6625-00-545-7948?

There are 11 known substitutes for 6625-00-545-7948: 6625-00-217-1445, 6625-00-179-1217, 6625-00-500-4581 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 34-38-04-00?

Key specifications for 34-38-04-00: Special Markings: - AND + SIGNS ON RESPECTIVE SIDES OF WORD DECIBELS; Material: PLASTIC; Indicator Type: DIAL W/POINTER; Overall Diameter: 2.688 INCHES NOMINAL IN. 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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