PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

908-304Meter,audio Level

Jewell Instruments Llc · NSN 6625-00-643-2816 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-643-2816 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-643-2816. Primary manufacturer part number: 908-304.
Features
  • Meter,audio Level — FSC 6625
  • Dial Scale Marking Color: BLACK AND RED SINGLE INDICATOR ALL RANGES
  • Furnished Items and Quantity: NUT 7; LOCKWASHER 5; SEAL 1
  • Scale Selection Method: TERMINAL
  • Mounting Bolt Circle Diameter: 3.224 INCHES NOMINAL IN
  • Movement Suspension Method: JEWEL PIVOT BASE
  • Special Markings: ON FRONT,RED BAND FROM 0 TO 3 VU; ON BACK,MADE IN U. S. A
  • Style Designator: ROUND FLUSH MTG
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Meter,audio Level, cataloged under National Stock Number 6625-00-643-2816, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Jewell Instruments Llc. Government technical data includes 28 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-643-2816
Primary Part Number908-304
Item NameMeter,audio Level
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerJewell Instruments Llc
StatusACTIVE
Dial Scale Marking ColorBLACK AND RED SINGLE INDICATOR ALL RANGES
Furnished Items and QuantityNUT 7; LOCKWASHER 5; SEAL 1
Scale Selection MethodTERMINAL
Mounting Bolt Circle Diameter3.224 INCHES NOMINAL IN
Movement Suspension MethodJEWEL PIVOT BASE
Special MarkingsON FRONT,RED BAND FROM 0 TO 3 VU; ON BACK,MADE IN U. S. A
Style DesignatorROUND FLUSH MTG
ColorUNABLE TO DECODE
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR ALL RANGES
Movement TypeMOVING COIL, PERMANENT MAGNET
FSC Application DataTEST SET,ELECT. EQUIP.
Nuclear Hardness Critical FeatureNONHARDENED
Meter Depth Behind Mounting Flange1.319 INCHES MAXIMUM IN
Meter Body Diameter Behind Mounting Flange2.741 INCHES MAXIMUM IN
Measurement Range+0.0 TO 100.0 VOICE UNITS SINGLE INDICATOR SECOND RANGE
Power SourceEXTERNAL
Installation DesignPANEL
Indicator TypeDIAL W/POINTER
Mounting Facility Type and Quantity3 SCREW AND 3 UNTHREADED HOLE(S)
Overall Diameter3.498 INCHES MAXIMUM IN
Circuit Current for Which DesignedAC
Environmental ProtectionAIRTIGHT AND DUST RESISTANT AND FUNGUS RESISTANT AND HEAT RESISTANT AND HUMIDITY RESISTANT AND SHOCK RESISTANT AND VIBRATION RESISTANT AND WATER RESISTANT
Sensitivity Rating100.0 DECIBELS
Pointer ColorBLACK SINGLE INDICATOR ALL RANGES
Mounting Hole Diameter0.151 INCHES NOMINAL IN
Dielectric Withstanding Voltage in Volts3000.0
Circuit Attachment Method and Quantity2 THREADED STUD
Measurement Range-20.0 TO 3.0 DECIBELS SINGLE INDICATOR FIRST RANGE
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor7025-00-611-2664 (989C693H01)
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeX
Verified Substitutes 7
7025-00-611-2664989C693H01 SUCCESSOR
Display Unit
Northrop Grumman Systems Corporation Dba Electronic Systems
6625-00-669-0727435 SUCCESSOR
Meter,audio Level
American Instrument Corp
6625-00-724-3318435 SUCCESSOR
Meter,standing Wave Ratio
Viking Technologies, Ltd.
6625-00-843-9171301-30A SUCCESSOR
Meter,audio Level
Custom Metering Company Inc
6625-00-931-6631435 SUCCESSOR
Meter,electrical,multimovement
Hickok Waekon Llc
6625-01-545-6014435 SUCCESSOR
Multimeter
Fluke Corp
4820-00-826-6465 INTERCHANGEABLE
Valve,safety Relief
Cross-Reference Index
Part NumberManufacturer
301-30A Solartron Electronics Inc Weston Instruments Div (USA)
435 Jaidinger Manufacturing Co Inc Dba Jaidinger Manufacturing Co Inc (USA)
908-304 PRIMARY Jewell Instruments Llc (USA)
Related Parts
SUCCESSOR 7025-00-611-2664 Display Unit · 989C693H01
6625-00-669-0727SUCCESSOR
METER,AUDIO LEVEL
435
6625-00-724-3318SUCCESSOR
METER,STANDING WAVE RATIO
435
6625-00-843-9171SUCCESSOR
METER,AUDIO LEVEL
301-30A
6625-00-931-6631SUCCESSOR
METER,ELECTRICAL,MULTIMOVEMENT
435
6625-01-545-6014SUCCESSOR
MULTIMETER
435
4820-00-826-6465INTERCHANGEABLE
VALVE,SAFETY RELIEF

Frequently Asked Questions

What is NSN 6625-00-643-2816?

NSN 6625-00-643-2816 is a Meter,audio Level, manufactured by Jewell Instruments Llc, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-643-2816?

NSN 6625-00-643-2816 has 3 cross-referenced part numbers: 301-30A (Solartron Electronics Inc Weston Instruments Div), 435 (Jaidinger Manufacturing Co Inc Dba Jaidinger Manufacturing Co Inc), 908-304 (Jewell Instruments Llc).

What NSN replaces 6625-00-643-2816?

There are 7 known substitutes for 6625-00-643-2816: 7025-00-611-2664, 6625-00-669-0727, 6625-00-724-3318 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 908-304?

Key specifications for 908-304: Dial Scale Marking Color: BLACK AND RED SINGLE INDICATOR ALL RANGES; Furnished Items and Quantity: NUT 7; LOCKWASHER 5; SEAL 1; Special Features: RUGGEDIZED; 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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