PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-M-10304Meter,audio Level

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 6625-00-500-0927 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-500-0927 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-500-0927. Primary manufacturer part number: MIL-M-10304.
Features
  • Meter,audio Level — FSC 6625
  • Overall Diameter: 2.750 INCHES NOMINAL IN
  • Style Designator: ROUND FLUSH MTG
  • Movement Type: MOVING COIL, PERMANENT MAGNET
  • Accuracy in Percent: -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
  • Mounting Hole Diameter: 0.125 INCHES NOMINAL IN
  • Dial Scale Marking Color: BLACK SINGLE INDICATOR SINGLE RANGE
  • Reference Number Differentiating Characteristics: AS DIFFERENTIATED BY THE MEASUREMENT RANGE AND DIAL SCALEMARKING COLOR REQUIREMENTS
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Meter,audio Level, cataloged under National Stock Number 6625-00-500-0927, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN6625-00-500-0927
Primary Part NumberMIL-M-10304
Item NameMeter,audio Level
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Overall Diameter2.750 INCHES NOMINAL IN
Style DesignatorROUND FLUSH MTG
Movement TypeMOVING COIL, PERMANENT MAGNET
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Mounting Hole Diameter0.125 INCHES NOMINAL IN
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Reference Number Differentiating CharacteristicsAS DIFFERENTIATED BY THE MEASUREMENT RANGE AND DIAL SCALEMARKING COLOR REQUIREMENTS
Mounting Facility Type and Quantity3 UNTHREADED HOLE(S)
ColorUNABLE TO DECODE
Measurement Range-6.0 TO 3.0 DECIBELS ABOVE OR BELOW ONE MILLIWATT SINGLE INDICATOR SINGLE RANGE
Movement Suspension MethodJEWEL PIVOT BASE
Meter Body Diameter Behind Mounting Flange2.210 INCHES NOMINAL IN
Circuit Attachment Method and Quantity2 SOLDERLESS LUG
Meter Depth Behind Mounting Flange1.380 INCHES NOMINAL IN
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Circuit Current for Which DesignedDC
Mounting Bolt Circle Diameter1.220 INCHES NOMINAL IN
Installation DesignPANEL
Overall Diameter2.750 INCHES NOMINAL IN
Style DesignatorROUND FLUSH MTG
Movement TypeMOVING COIL, PERMANENT MAGNET
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Mounting Hole Diameter0.125 INCHES NOMINAL IN
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Reference Number Differentiating CharacteristicsAS DIFFERENTIATED BY THE MEASUREMENT RANGE AND DIAL SCALEMARKING COLOR REQUIREMENTS
Mounting Facility Type and Quantity3 UNTHREADED HOLE(S)
ColorUNABLE TO DECODE
Measurement Range-6.0 TO 3.0 DECIBELS ABOVE OR BELOW ONE MILLIWATT SINGLE INDICATOR SINGLE RANGE
Movement Suspension MethodJEWEL PIVOT BASE
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6625-00-538-9246
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJ
Weight0.9500 lbs
Cube0.0360 cu ft
Verified Substitutes 12
Ammeter
Ammeter
Voltmeter
Ammeter
Ammeter
Ammeter
Ammeter
6625-00-679-08919073243 SUCCESSOR
Meter,arbitrary Scale
Us Army Aviation and Missile Command
Ammeter
6625-00-684-812162207-001 SUCCESSOR
Ammeter
Dynalec Corporation
Cross-Reference Index
Part NumberManufacturer
MIL-M-10304 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
1521 Solartron Electronics Inc Weston Instruments Div (USA)
Related Parts
SUCCESSOR 6625-00-538-9246 Voltmeter
6625-00-069-3031SUCCESSOR
AMMETER
6625-00-535-4594SUCCESSOR
AMMETER
6625-00-555-3092SUCCESSOR
AMMETER
6625-00-643-3502SUCCESSOR
AMMETER
6625-00-648-7562SUCCESSOR
AMMETER
6625-00-668-7813SUCCESSOR
AMMETER
6625-00-679-0891SUCCESSOR
METER,ARBITRARY SCALE
9073243
6625-00-683-9592SUCCESSOR
AMMETER
6625-00-684-8121SUCCESSOR
AMMETER
62207-001
6625-00-720-3253SUCCESSOR
AMMETER
6625-00-720-3254SUCCESSOR
AMMETER

Frequently Asked Questions

What is NSN 6625-00-500-0927?

NSN 6625-00-500-0927 is a Meter,audio Level, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-500-0927?

NSN 6625-00-500-0927 has 2 cross-referenced part numbers: MIL-M-10304 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 1521 (Solartron Electronics Inc Weston Instruments Div).

What NSN replaces 6625-00-500-0927?

There are 12 known substitutes for 6625-00-500-0927: 6625-00-069-3031, 6625-00-535-4594, 6625-00-538-9246 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-M-10304?

Key specifications for MIL-M-10304: Overall Diameter: 2.750 INCHES NOMINAL IN; Style Designator: ROUND FLUSH MTG; Movement Type: MOVING COIL, PERMANENT MAGNET; Accuracy in Percent: -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE. 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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