PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

56Ammeter

Hickok Waekon Llc · NSN 6625-00-649-3530 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-649-3530 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-649-3530. Primary manufacturer part number: 56.
Features
  • Ammeter — FSC 6625
  • Mounting Arrangement Style: THREE HOLE/STUD BOLT CIRCLE
  • Installation Design: PANEL
  • Sensitivity Rating: 150.0 MILLIVOLTS
  • Mounting Bolt Circle Diameter: 2.422 INCHES NOMINAL IN
  • Overall Diameter: 2.688 INCHES NOMINAL IN
  • Material: PLASTIC
  • Meter Body Diameter Behind Mounting Flange: 2.180 INCHES NOMINAL IN
Applications
  • Applications requiring Plastic construction
General Description

The Ammeter, cataloged under National Stock Number 6625-00-649-3530, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Hickok Waekon Llc. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6625-00-649-3530
Primary Part Number56
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerHickok Waekon Llc
StatusACTIVE
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Installation DesignPANEL
Sensitivity Rating150.0 MILLIVOLTS
Mounting Bolt Circle Diameter2.422 INCHES NOMINAL IN
Overall Diameter2.688 INCHES NOMINAL IN
MaterialPLASTIC
Meter Body Diameter Behind Mounting Flange2.180 INCHES NOMINAL IN
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Style DesignatorROUND FLUSH MTG
Reference Number Differentiating CharacteristicsAS DIFFERENTIATED BY THE MEASUREMENT RANGE AND STEP QUANTITY REQUIREMENTS
Circuit Attachment Method and Quantity2 THREADED STUD
Measurement Range+0.0 TO 50.0 MICROAMPERES, DC SINGLE INDICATOR SINGLE RANGE
Movement TypeMOVING COIL, PERMANENT MAGNET
Mounting Hole Diameter0.125 INCHES NOMINAL IN
Scale Division Quantity50 SINGLE INDICATOR SINGLE RANGE
Meter Depth Behind Mounting Flange1.125 INCHES NOMINAL IN
Circuit Current for Which DesignedDC
Mounting Facility Type and Quantity3 UNTHREADED HOLE(S)
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Movement Suspension MethodJEWEL PIVOT BASE
ColorUNABLE TO DECODE
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Installation DesignPANEL
Sensitivity Rating150.0 MILLIVOLTS
Mounting Bolt Circle Diameter2.422 INCHES NOMINAL IN
Overall Diameter2.688 INCHES NOMINAL IN
MaterialPLASTIC
Meter Body Diameter Behind Mounting Flange2.180 INCHES NOMINAL IN
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Style DesignatorROUND FLUSH MTG
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
Voltmeter
Recorder,coordinate Data
6625-01-075-6383056-1001 INTERCHANGEABLE
Recorder,coordinate Data
Applied Biosystems, Llc Dba Life Technologies
6625-01-086-6961056-1003 INTERCHANGEABLE
Recorder,coordinate Data
Applied Biosystems, Llc Dba Life Technologies
Cross-Reference Index
Part NumberManufacturer
56 Hickok Waekon Llc (USA)
Related Parts
6625-00-649-3824SUCCESSOR
VOLTMETER
6625-01-035-2984SUCCESSOR
RECORDER,COORDINATE DATA
6625-01-075-6383INTERCHANGEABLE
RECORDER,COORDINATE DATA
056-1001
6625-01-086-6961INTERCHANGEABLE
RECORDER,COORDINATE DATA
056-1003

Frequently Asked Questions

What is NSN 6625-00-649-3530?

NSN 6625-00-649-3530 is a Ammeter, manufactured by Hickok Waekon Llc, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-649-3530?

NSN 6625-00-649-3530 has 1 cross-referenced part number: 56 (Hickok Waekon Llc).

What NSN replaces 6625-00-649-3530?

There are 4 known substitutes for 6625-00-649-3530: 6625-00-649-3824, 6625-01-035-2984, 6625-01-075-6383 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 56?

Key specifications for 56: Mounting Arrangement Style: THREE HOLE/STUD BOLT CIRCLE; Installation Design: PANEL; Sensitivity Rating: 150.0 MILLIVOLTS; Mounting Bolt Circle Diameter: 2.422 INCHES NOMINAL IN. 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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