PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

624-109Ammeter

Phaostron Instrument and Electronic Company · NSN 6625-01-124-2597 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-01-124-2597 — this item is cataloged by the U.S. Government under National Stock Number 6625-01-124-2597. Primary manufacturer part number: 624-109.
Features
  • Ammeter — FSC 6625
  • Dielectric Withstanding Voltage in Volts: 3000.0
  • Mounting Arrangement Style: THREE HOLE/STUD BOLT CIRCLE
  • FSC Application Data: TEST SET,ELECT. EQUIP.
  • Material: STEEL
  • Color: UNABLE TO DECODE
  • Surface Treatment: CADMIUM
  • Circuit Current for Which Designed: DC
Applications
  • Applications requiring Steel construction
General Description

The Ammeter, cataloged under National Stock Number 6625-01-124-2597, 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 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 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
NSN6625-01-124-2597
Primary Part Number624-109
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerPhaostron Instrument and Electronic Company
StatusACTIVE
Dielectric Withstanding Voltage in Volts3000.0
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
FSC Application DataTEST SET,ELECT. EQUIP.
MaterialSTEEL
ColorUNABLE TO DECODE
Surface TreatmentCADMIUM
Circuit Current for Which DesignedDC
Nuclear Hardness Critical FeatureNONHARDENED
Supplementary FeaturesINTERNAL IMPEDANCE 3000 OHMS PORM 1 PCT AT 25 DEGREES CENTIGRADE; COIL OPERATING VOLTAGE 1000 VDC WITH RESPECT TO GROUND VDC
Style DesignatorROUND FLUSH MTG
Scale Division Quantity40 SINGLE INDICATOR SINGLE RANGE
Meter Body Diameter Behind Mounting Flange2.150 INCHES MAXIMUM IN
Furnished Items and QuantityNUT 2; WASHER 4
Panel for Which DesignedNONMAGNETIC
Overall Diameter2.695 INCHES MAXIMUM IN
Mounting Bolt Circle Diameter2.440 INCHES NOMINAL IN
Indicator TypeDIAL W/POINTER
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Movement TypeMOVING COIL, PERMANENT MAGNET
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Installation DesignPANEL
Environmental ProtectionSHOCK RESISTANT AND VIBRATION RESISTANT
Scale Graduation TypeLINEAR SINGLE INDICATOR SINGLE RANGE
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Mounting Facility Type and Quantity3 SCREW AND 3 UNTHREADED HOLE(S)
Circuit Construction TypeNONELECTRONIC
Measurement Range+0.0 TO 20.0 MICROAMPERES, DC SINGLE INDICATOR SINGLE RANGE
Circuit Attachment Method and Quantity2 SOLDER LUG AND 2 THREADED STUD
Movement Suspension MethodJEWEL PIVOT BASE
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6625-00-089-8911 (SM-C-628713)
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeJN
Verified Substitutes 12
Acoustic Probe
6625-00-089-8911SM-C-628713 SUCCESSOR
Meter,special Scale
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6145-00-128-22628624 SUCCESSOR
Cable,power,electrical
Belden Wire and Cable Co Wire and Cable Office
6625-00-231-88002836137 SUCCESSOR
Wattmeter
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
6625-00-473-2813624 SUCCESSOR
Probe,test
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
6625-00-852-054810106480 SUCCESSOR
Ammeter
Us Army Aviation and Missile Command
6625-00-875-069610105460 SUCCESSOR
Meter,arbitrary Scale
Us Army Aviation and Missile Command
6625-01-210-9741SMA753315 SUCCESSOR
Multimeter
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6625-01-288-8799267 SUCCESSOR
Ohmmeter
Digital Alert Systems, Inc. Dba Digital Alert Systems Inc
1285-00-023-71161225829-9 INTERCHANGEABLE
Limit Stop Subassem
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Cross-Reference Index
Part NumberManufacturer
624 Phaostron Instrument and Electronic Company (USA)
39-0163-101 Hamilton Sundstrand Corporation Div Mission Systems (USA)
624-109 PRIMARY Phaostron Instrument and Electronic Company (USA)
267 Jewell Instruments, Llc Dba Modutec Use CAGE Code 33005 for Cataloging (USA)
Related Parts
SUCCESSOR 6625-00-089-8911 Meter,special Scale · SM-C-628713
6625-00-086-1148SUCCESSOR
ACOUSTIC PROBE
6145-00-128-2262SUCCESSOR
CABLE,POWER,ELECTRICAL
8624
6625-00-231-8800SUCCESSOR
WATTMETER
2836137
6625-00-473-2813SUCCESSOR
PROBE,TEST
624
6625-00-852-0548SUCCESSOR
AMMETER
10106480
6625-00-875-0696SUCCESSOR
METER,ARBITRARY SCALE
10105460
6625-01-210-9741SUCCESSOR
MULTIMETER
SMA753315
6625-01-288-8799SUCCESSOR
OHMMETER
267
1285-00-023-7116INTERCHANGEABLE
LIMIT STOP SUBASSEM
1225829-9
6625-00-240-4611INTERCHANGEABLE
OHMMETER
624
6625-00-643-2011INTERCHANGEABLE
METER,MAGNETRON CURRENT

Frequently Asked Questions

What is NSN 6625-01-124-2597?

NSN 6625-01-124-2597 is a Ammeter, manufactured by Phaostron Instrument and Electronic Company, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-01-124-2597?

NSN 6625-01-124-2597 has 4 cross-referenced part numbers: 624 (Phaostron Instrument and Electronic Company), 39-0163-101 (Hamilton Sundstrand Corporation Div Mission Systems), 624-109 (Phaostron Instrument and Electronic Company), 267 (Jewell Instruments, Llc Dba Modutec Use CAGE Code 33005 for Cataloging).

What NSN replaces 6625-01-124-2597?

There are 12 known substitutes for 6625-01-124-2597: 6625-00-086-1148, 6625-00-089-8911, 6145-00-128-2262 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 624-109?

Key specifications for 624-109: Dielectric Withstanding Voltage in Volts: 3000.0; Mounting Arrangement Style: THREE HOLE/STUD BOLT CIRCLE; FSC Application Data: TEST SET,ELECT. EQUIP.; Material: STEEL. 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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