PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

339416Ammeter

Raytheon Technical Services Company · NSN 6625-00-683-9423 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-683-9423 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-683-9423. Primary manufacturer part number: 339416.
Features
  • Ammeter — FSC 6625
  • Test Data Document: 81349-MIL-M-10304 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
  • Circuit Attachment Method and Quantity: 2 BINDING POST
  • Surface Treatment: ENAMEL
  • Dielectric Withstanding Voltage in Volts: 3000.0
  • Nuclear Hardness Critical Feature: NONHARDENED
  • Style Designator: ROUND FLUSH MTG
  • Measurement Range: +0.0 TO 100.0 AMPERES, AC SINGLE INDICATOR SINGLE RANGE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Ammeter, cataloged under National Stock Number 6625-00-683-9423, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Raytheon Technical Services Company. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 8 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
NSN6625-00-683-9423
Primary Part Number339416
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerRaytheon Technical Services Company
StatusACTIVE
Test Data Document81349-MIL-M-10304 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
Circuit Attachment Method and Quantity2 BINDING POST
Surface TreatmentENAMEL
Dielectric Withstanding Voltage in Volts3000.0
Nuclear Hardness Critical FeatureNONHARDENED
Style DesignatorROUND FLUSH MTG
Measurement Range+0.0 TO 100.0 AMPERES, AC SINGLE INDICATOR SINGLE RANGE
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
ColorUNABLE TO DECODE
Mounting Facility Type and Quantity4 THREADED STUD(S)
Specification/standard Data81349-MIL-M-10304/14 GOVERNMENT SPECIFICATION
FSC Application DataTEST SET,ELECTRONIC EQUIPMENT
Movement Suspension MethodJEWEL PIVOT BASE
Features ProvidedMAGNETIC SHIELD
Mounting Stud Length0.500 INCHES NOMINAL IN
Panel for Which DesignedNONMAGNETIC
Frequency Response Range+360.000 TO 440.000 HERTZ
Meter Depth Behind Mounting Flange1.660 INCHES NOMINAL IN
Mounting Bolt Circle Diameter3.160 INCHES NOMINAL IN
Installation DesignPANEL
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Scale Division Quantity50 SINGLE INDICATOR SINGLE RANGE
Indicator TypeDIAL W/POINTER
Meter Body Diameter Behind Mounting Flange2.800 INCHES NOMINAL IN
Mounting Stud Diameter0.138 INCHES NOMINAL IN
Overall Diameter3.510 INCHES NOMINAL IN
Circuit Construction TypeNONELECTRONIC
Scale Graduation TypeLINEAR SINGLE INDICATOR SINGLE RANGE
Movement TypeMOVING IRON VANE
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6625-00-948-0162 (77C707996P001)
HAZMATNo
Shelf Life Code0
Criticality CodeQ
Unit of IssueEA
SMR CodeJZ
Weight0.8900 lbs
Cube0.0278 cu ft
Verified Substitutes 12
6625-00-133-7673A265-1100 SUCCESSOR
Ammeter
Essex Electro Engineers Inc
6625-00-222-1713TAASSEMBLY SUCCESSOR
Test Set,electrical Power
Westinghouse Electric Corp
6625-00-948-016277C707996P001 SUCCESSOR
Voltmeter
Lockheed Martin Corporation Div Rms
5999-01-247-3059885865-1 SUCCESSOR
Clip,electrical
Raytheon Company Dba Raytheon Co
5940-00-058-4544639 INTERCHANGEABLE
Terminal,lug
Zierick Mfg Corp
3110-00-100-066011211 INTERCHANGEABLE
Cone and Rollers,tapered Roller
Ferguson Mfg and Equipment Co Inc
3030-00-102-3065000985 INTERCHANGEABLE
Belt,positive Drive
Makino Inc
6625-00-179-3847 INTERCHANGEABLE
Ammeter
8345-00-233-2927 INTERCHANGEABLE
Flag,national
6670-00-238-9763H5 INTERCHANGEABLE
Balance,analytical
Mettler-Toledo Llc
Cross-Reference Index
Part NumberManufacturer
339416 Raytheon Technical Services Company (USA)
639 Phaostron Instrument and Electronic Company (USA)
M-2932 Jaidinger Manufacturing Co Inc Dba Jaidinger Manufacturing Co Inc (USA)
MIL-M-10304/14 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MR36W100AFAAR Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MIL-PRF-10304/14 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
366 Jewell Instruments, Llc Dba Modutec Use CAGE Code 33005 for Cataloging (USA)
2534-0-100A Solartron Electronics Inc Weston Instruments Div (USA)
M-2932 American Instrument Corp (USA)
339416 Cae Usa Inc. (USA)
637 Phaostron Instrument and Electronic Company (USA)
Related Parts
SUCCESSOR 6625-00-948-0162 Voltmeter · 77C707996P001
6625-00-133-7673SUCCESSOR
AMMETER
A265-1100
6625-00-222-1713SUCCESSOR
TEST SET,ELECTRICAL POWER
TAASSEMBLY
5999-01-247-3059SUCCESSOR
CLIP,ELECTRICAL
885865-1
5940-00-058-4544INTERCHANGEABLE
TERMINAL,LUG
639
3110-00-100-0660INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
11211
3030-00-102-3065INTERCHANGEABLE
BELT,POSITIVE DRIVE
000985
6625-00-179-3847INTERCHANGEABLE
AMMETER
8345-00-233-2927INTERCHANGEABLE
FLAG,NATIONAL
6670-00-238-9763INTERCHANGEABLE
BALANCE,ANALYTICAL
H5
8345-00-247-0389INTERCHANGEABLE
FLAG,NATIONAL
6625-00-489-6409INTERCHANGEABLE
VOLTMETER
1003149

Frequently Asked Questions

What is NSN 6625-00-683-9423?

NSN 6625-00-683-9423 is a Ammeter, manufactured by Raytheon Technical Services Company, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-683-9423?

NSN 6625-00-683-9423 has 11 cross-referenced part numbers: 339416 (Raytheon Technical Services Company), 639 (Phaostron Instrument and Electronic Company), M-2932 (Jaidinger Manufacturing Co Inc Dba Jaidinger Manufacturing Co Inc), MIL-M-10304/14 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MR36W100AFAAR (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 6 more.

What NSN replaces 6625-00-683-9423?

There are 12 known substitutes for 6625-00-683-9423: 6625-00-133-7673, 6625-00-222-1713, 6625-00-948-0162 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 339416?

Key specifications for 339416: Test Data Document: 81349-MIL-M-10304 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).; Circuit Attachment Method and Quantity: 2 BINDING POST; Surface Treatment: ENAMEL; Dielectric Withstanding Voltage in Volts: 3000.0. 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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