PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

621Meter,arbitrary Scale

Phaostron Instrument and Electronic Company · NSN 6625-00-904-0700 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-904-0700 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-904-0700. Primary manufacturer part number: 621.
Features
  • Meter,arbitrary Scale — FSC 6625
  • Dielectric Withstanding Voltage in Volts: 3000.0
  • Scale Division Quantity: 12 SINGLE INDICATOR SINGLE RANGE
  • Accuracy in Percent: -1.0 TO 1.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
  • Pointer Color: BLACK SINGLE INDICATOR SINGLE RANGE
  • Material: STEEL CORROSION RESISTING
  • Scale Graduation Type: LINEAR SINGLE INDICATOR SINGLE RANGE
  • Dial Scale Marking Color: BLACK AND GREEN AND RED SINGLE INDICATOR SINGLE RANGE
Applications
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Meter,arbitrary Scale, cataloged under National Stock Number 6625-00-904-0700, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Phaostron Instrument and Electronic Company. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 7 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
NSN6625-00-904-0700
Primary Part Number621
Item NameMeter,arbitrary Scale
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerPhaostron Instrument and Electronic Company
StatusACTIVE
Dielectric Withstanding Voltage in Volts3000.0
Scale Division Quantity12 SINGLE INDICATOR SINGLE RANGE
Accuracy in Percent-1.0 TO 1.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
MaterialSTEEL CORROSION RESISTING
Scale Graduation TypeLINEAR SINGLE INDICATOR SINGLE RANGE
Dial Scale Marking ColorBLACK AND GREEN AND RED SINGLE INDICATOR SINGLE RANGE
Movement Suspension MethodJEWEL PIVOT BASE
Movement TypeMOVING COIL, PERMANENT MAGNET
Mounting Hole Diameter0.120 INCHES MINIMUM AND 1.130 INCHES MAXIMUM IN
Meter Body Diameter Behind Mounting Flange2.210 INCHES MAXIMUM IN
Environmental ProtectionCOLD RESISTANT AND HEAT RESISTANT AND SHOCK RESISTANT AND SUBMERSIBLE AND VIBRATION RESISTANT AND WATERTIGHT
Sensitivity Rating500.0 MICROAMPERES
Mounting Bolt Circle Diameter2.440 INCHES NOMINAL IN
Installation DesignPANEL
Special Test FeaturesMEETS MIL-M-10304/5,TYPE MR26W500DCUAR REQUIREMENTS
Nuclear Hardness Critical FeatureNONHARDENED
Unable to DecodeUNABLE TO DECODE
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Mounting Facility Type and Quantity3 SCREW AND 3 UNTHREADED HOLE(S)
Circuit Current for Which DesignedDC
Surface TreatmentENAMEL SEMIGLOSS
Features ProvidedLUMINOUS SCALE MARKING AND MAGNETIC SHIELD AND ZERO ADJUSTER
Style DesignatorROUND FLUSH MTG
Overall Diameter2.695 INCHES MAXIMUM IN
Indicator TypeDIAL W/POINTER
FSC Application DataTEST SET,ELECT. EQUIP.
ColorUNABLE TO DECODE
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor5999-01-630-4938 (61-0046)
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJ
Weight0.0100 lbs
Cube0.0010 cu ft
Verified Substitutes 12
6625-00-004-844610238174 SUCCESSOR
Ammeter
Us Army Aviation and Missile Command
6625-00-332-6211SC-C-24420 SUCCESSOR
Multimeter
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6625-00-476-1875476-0255-010 SUCCESSOR
Wattmeter
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
6625-00-555-2264628 SUCCESSOR
Generator,signal
Keysight Technologies Inc
6625-00-624-0137331C147H02 SUCCESSOR
Meter,special Scale
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
6625-00-730-8550628 SUCCESSOR
Lead,test
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
6625-00-877-0678331C147H09 SUCCESSOR
Meter,arbitrary Scale
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
6625-01-272-6290A80040 SUCCESSOR
Ammeter
Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)
5999-01-630-493861-0046 SUCCESSOR
Contact Assembly,electrical
Phillips Corporation Div Federal Division
Server,automatic Data Processing
Cross-Reference Index
Part NumberManufacturer
621 Phaostron Instrument and Electronic Company (USA)
221HR Triplett (bluffton) Corporation Dba Lfe Instruments (USA)
265 Jewell Instruments, Llc Dba Modutec Use CAGE Code 33005 for Cataloging (USA)
610046REVA Bae Systems Information and Electronic Systems Integration Inc. (USA)
MMI-8662 Custom Metering Company Inc (USA)
610046 Bae Systems Information and Electronic Systems Integration Inc. (USA)
R230 Ideal Precision Meter Co Dba Ideal Precision Meter Co (USA)
125R Simpson Electric Company, Inc. (USA)
628 Phaostron Instrument and Electronic Company (USA)
Related Parts
SUCCESSOR 5999-01-630-4938 Contact Assembly,electrical · 61-0046
6625-00-004-8446SUCCESSOR
AMMETER
10238174
6625-00-332-6211SUCCESSOR
MULTIMETER
SC-C-24420
6625-00-476-1875SUCCESSOR
WATTMETER
476-0255-010
6625-00-555-2264SUCCESSOR
GENERATOR,SIGNAL
628
6625-00-624-0137SUCCESSOR
METER,SPECIAL SCALE
331C147H02
6625-00-730-8550SUCCESSOR
LEAD,TEST
628
6625-00-877-0678SUCCESSOR
METER,ARBITRARY SCALE
331C147H09
6625-01-272-6290SUCCESSOR
AMMETER
A80040
7035-01-663-1982SUCCESSOR
SERVER,AUTOMATIC DATA PROCESSING
6625-00-060-9010INTERCHANGEABLE
AMMETER
6625-00-140-7385INTERCHANGEABLE
VOLTMETER
10548824-4

Frequently Asked Questions

What is NSN 6625-00-904-0700?

NSN 6625-00-904-0700 is a Meter,arbitrary Scale, manufactured by Phaostron Instrument and Electronic Company, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-904-0700?

NSN 6625-00-904-0700 has 9 cross-referenced part numbers: 621 (Phaostron Instrument and Electronic Company), 221HR (Triplett (bluffton) Corporation Dba Lfe Instruments), 265 (Jewell Instruments, Llc Dba Modutec Use CAGE Code 33005 for Cataloging), 610046REVA (Bae Systems Information and Electronic Systems Integration Inc.), MMI-8662 (Custom Metering Company Inc) and 4 more.

What NSN replaces 6625-00-904-0700?

There are 12 known substitutes for 6625-00-904-0700: 6625-00-004-8446, 6625-00-332-6211, 6625-00-476-1875 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 621?

Key specifications for 621: Overall Length: 2.650 INCHES NOMINAL IN; Dielectric Withstanding Voltage in Volts: 3000.0; Scale Division Quantity: 12 SINGLE INDICATOR SINGLE RANGE; Accuracy in Percent: -1.0 TO 1.0 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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