PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AXAmmeter

Hughes Corp Div Dba Weschler Instruments · NSN 6625-01-037-0057 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-01-037-0057 — this item is cataloged by the U.S. Government under National Stock Number 6625-01-037-0057. Primary manufacturer part number: AX.
Features
  • Ammeter — FSC 6625
  • Measurement Range: +0.0 TO 400.0 AMPERES, DC SINGLE INDICATOR SIXTEENTH RANGE
  • Measurement Range: +0.0 TO 75.0 AMPERES, DC SINGLE INDICATOR TWELFTH RANGE
  • Measurement Range: +0.0 TO 500.0 AMPERES, AC SINGLE INDICATOR SEVENTH RANGE
  • Features Provided: ZERO ADJUSTER
  • Measurement Range: +0.0 TO 400.0 AMPERES, AC SINGLE INDICATOR SIXTH RANGE
  • Measurement Range: +0.0 TO 50.0 AMPERES, AC SINGLE INDICATOR FIRST RANGE
  • Measurement Range: +0.0 TO 100.0 AMPERES, AC SINGLE INDICATOR THIRD RANGE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Ammeter, cataloged under National Stock Number 6625-01-037-0057, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Hughes Corp Div Dba Weschler Instruments. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-01-037-0057
Primary Part NumberAX
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerHughes Corp Div Dba Weschler Instruments
StatusACTIVE
Measurement Range+0.0 TO 400.0 AMPERES, DC SINGLE INDICATOR SIXTEENTH RANGE
Measurement Range+0.0 TO 75.0 AMPERES, DC SINGLE INDICATOR TWELFTH RANGE
Measurement Range+0.0 TO 500.0 AMPERES, AC SINGLE INDICATOR SEVENTH RANGE
Features ProvidedZERO ADJUSTER
Measurement Range+0.0 TO 400.0 AMPERES, AC SINGLE INDICATOR SIXTH RANGE
Measurement Range+0.0 TO 50.0 AMPERES, AC SINGLE INDICATOR FIRST RANGE
Measurement Range+0.0 TO 100.0 AMPERES, AC SINGLE INDICATOR THIRD RANGE
Measurement Range+0.0 TO 75.0 AMPERES, AC SINGLE INDICATOR SECOND RANGE
Style DesignatorCLAMP-ON
Measurement Range+0.0 TO 1000.0 AMPERES, AC SINGLE INDICATOR TENTH RANGE
Measurement Range+0.0 TO 200.0 AMPERES, DC SINGLE INDICATOR FOURTEENTH RANGE
Measurement Range+0.0 TO 300.0 AMPERES, DC SINGLE INDICATOR FIFTEENTH RANGE
Measurement Range+0.0 TO 300.0 AMPERES, AC SINGLE INDICATOR FIFTH RANGE
Measurement Range+0.0 TO 600.0 AMPERES, AC SINGLE INDICATOR EIGHTH RANGE
Measurement Range+0.0 TO 200.0 AMPERES, AC SINGLE INDICATOR FOURTH RANGE
Measurement Range+0.0 TO 50.0 AMPERES, DC SINGLE INDICATOR ELEVENTH RANGE
Indicator TypeDIAL W/POINTER
Installation DesignHANDHELD
Measurement Range+0.0 TO 800.0 AMPERES, AC SINGLE INDICATOR NINTH RANGE
Measurement Range+0.0 TO 100.0 AMPERES, DC SINGLE INDICATOR THIRTEENTH RANGE
Circuit Attachment Method and Quantity1 CLAMP
Measurement Range+0.0 TO 400.0 AMPERES, DC SINGLE INDICATOR SIXTEENTH RANGE
Measurement Range+0.0 TO 75.0 AMPERES, DC SINGLE INDICATOR TWELFTH RANGE
Measurement Range+0.0 TO 500.0 AMPERES, AC SINGLE INDICATOR SEVENTH RANGE
Features ProvidedZERO ADJUSTER
Measurement Range+0.0 TO 400.0 AMPERES, AC SINGLE INDICATOR SIXTH RANGE
Measurement Range+0.0 TO 50.0 AMPERES, AC SINGLE INDICATOR FIRST RANGE
Measurement Range+0.0 TO 100.0 AMPERES, AC SINGLE INDICATOR THIRD RANGE
Measurement Range+0.0 TO 75.0 AMPERES, AC SINGLE INDICATOR SECOND RANGE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeYN
Weight3.0000 lbs
Cube0.9259 cu ft
Verified Substitutes 5
2920-00-495-3349IG1798S INTERCHANGEABLE
Bracket,ignition Co
Prestolite Electric Inc
3815-00-585-2683 INTERCHANGEABLE
Bucket,dragline
3815-00-585-2694 INTERCHANGEABLE
Bucket,dragline
3110-01-273-0046AXK-3552 INTERCHANGEABLE
Retainer and Rollers,bearing
Schaeffler Group Usa Inc
8415-01-408-2327AX INTERCHANGEABLE
Helmet,proximity
E. D. Bullard Company Dba Ed Bullard Co
Cross-Reference Index
Part NumberManufacturer
AX Friends of the Potomac River Refugees (USA)
AX PRIMARY Hughes Corp Div Dba Weschler Instruments (USA)
Related Parts
2920-00-495-3349INTERCHANGEABLE
BRACKET,IGNITION CO
IG1798S
3815-00-585-2683INTERCHANGEABLE
BUCKET,DRAGLINE
3815-00-585-2694INTERCHANGEABLE
BUCKET,DRAGLINE
3110-01-273-0046INTERCHANGEABLE
RETAINER AND ROLLERS,BEARING
AXK-3552
8415-01-408-2327INTERCHANGEABLE
HELMET,PROXIMITY
AX

Frequently Asked Questions

What is NSN 6625-01-037-0057?

NSN 6625-01-037-0057 is a Ammeter, manufactured by Hughes Corp Div Dba Weschler Instruments, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-01-037-0057?

NSN 6625-01-037-0057 has 2 cross-referenced part numbers: AX (Friends of the Potomac River Refugees), AX (Hughes Corp Div Dba Weschler Instruments).

What NSN replaces 6625-01-037-0057?

There are 5 known substitutes for 6625-01-037-0057: 2920-00-495-3349, 3815-00-585-2683, 3815-00-585-2694 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AX?

Key specifications for AX: Measurement Range: +0.0 TO 400.0 AMPERES, DC SINGLE INDICATOR SIXTEENTH RANGE; Measurement Range: +0.0 TO 75.0 AMPERES, DC SINGLE INDICATOR TWELFTH RANGE; Measurement Range: +0.0 TO 500.0 AMPERES, AC SINGLE INDICATOR SEVENTH RANGE; Features Provided: ZERO ADJUSTER. 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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