PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

01720Ammeter

Simpson Electric Company, Inc. · NSN 6625-00-043-2305 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-043-2305 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-043-2305. Primary manufacturer part number: 01720.
Features
  • Ammeter — FSC 6625
  • Pointer Color: BLACK SINGLE INDICATOR SINGLE RANGE
  • Measurement Range: +0.0 TO 5.0 AMPERES, DC SINGLE INDICATOR SINGLE RANGE
  • Mounting Facility Type and Quantity: 4 THREADED STUD(S)
  • Movement Suspension Method: JEWEL PIVOT BASE
  • Circuit Attachment Method and Quantity: 2 THREADED STUD
  • Circuit Construction Type: NONELECTRONIC
  • Scale Graduation Type: LINEAR SINGLE INDICATOR SINGLE RANGE
Applications
  • Applications requiring Plastic construction
General Description

The Ammeter, cataloged under National Stock Number 6625-00-043-2305, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Simpson Electric Company, Inc.. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-043-2305
Primary Part Number01720
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerSimpson Electric Company, Inc.
StatusACTIVE
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Measurement Range+0.0 TO 5.0 AMPERES, DC SINGLE INDICATOR SINGLE RANGE
Mounting Facility Type and Quantity4 THREADED STUD(S)
Movement Suspension MethodJEWEL PIVOT BASE
Circuit Attachment Method and Quantity2 THREADED STUD
Circuit Construction TypeNONELECTRONIC
Scale Graduation TypeLINEAR SINGLE INDICATOR SINGLE RANGE
Mounting Stud Diameter0.112 INCHES NOMINAL IN
Power SourceEXTERNAL
Installation DesignPANEL
Scale Division Quantity50 SINGLE INDICATOR SINGLE RANGE
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
ColorUNABLE TO DECODE
Meter Body Diameter Behind Mounting Flange2.170 INCHES NOMINAL IN
MaterialPLASTIC
Features ProvidedZERO ADJUSTER
Nuclear Hardness Critical FeatureNONHARDENED
Center to Center Distance Between Mounting Facilities Parallel to Width1.875 INCHES NOMINAL IN
Mounting Stud Length0.530 INCHES NOMINAL IN
Meter Depth Behind Mounting Flange1.450 INCHES NOMINAL IN
FSC Application DataTEST SET,ELECT. EQUIP.
Style DesignatorRECTANGULAR FLUSH MTG
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Center to Center Distance Between Mounting Facilities Parallel to Length1.875 INCHES NOMINAL IN
Furnished Items and QuantityMTG HDW 4; TERM. HDW 2
Circuit Current for Which DesignedDC
Movement TypeMOVING COIL, PERMANENT MAGNET
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6625-00-051-9029
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeLN
Verified Substitutes 11
Galvanometer
6625-00-643-0599245-1037P2 SUCCESSOR
Voltmeter
Raytheon Company Dba Raytheon Co
Ammeter
Wattmeter
6625-00-839-9548204-1 SUCCESSOR
Ammeter
Jewell Instruments Llc
6625-00-900-129809140 SUCCESSOR
Voltmeter
Simpson Electric Company, Inc.
6625-01-284-1524458-0286-000 SUCCESSOR
Meter,arbitrary Scale
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
6625-00-070-1703 INTERCHANGEABLE
Ammeter
3120-01-011-7087S825-4 INTERCHANGEABLE
Bushing,sleeve
Simmonds Precision Products Inc
3040-01-206-0797 INTERCHANGEABLE
Shaft,shouldered
Cross-Reference Index
Part NumberManufacturer
1018997-2 Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
S06090 Simpson Electric Company, Inc. (USA)
127 Simpson Electric Company, Inc. (USA)
01720 PRIMARY Simpson Electric Company, Inc. (USA)
127-0-5ADC Simpson Electric Company, Inc. (USA)
127S06090 Simpson Electric Company, Inc. (USA)
Related Parts
SUCCESSOR 6625-00-051-9029 Galvanometer
6625-00-643-0599SUCCESSOR
VOLTMETER
245-1037P2
6625-00-752-7556SUCCESSOR
AMMETER
6625-00-782-8691SUCCESSOR
WATTMETER
6625-00-839-9548SUCCESSOR
AMMETER
204-1
6625-00-900-1298SUCCESSOR
VOLTMETER
09140
6625-01-284-1524SUCCESSOR
METER,ARBITRARY SCALE
458-0286-000
6625-00-070-1703INTERCHANGEABLE
AMMETER
3120-01-011-7087INTERCHANGEABLE
BUSHING,SLEEVE
S825-4
3040-01-206-0797INTERCHANGEABLE
SHAFT,SHOULDERED
5998-01-352-9949INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY

Frequently Asked Questions

What is NSN 6625-00-043-2305?

NSN 6625-00-043-2305 is a Ammeter, manufactured by Simpson Electric Company, Inc., classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-043-2305?

NSN 6625-00-043-2305 has 6 cross-referenced part numbers: 1018997-2 (Lockheed Martin Corporation Div Rms - Mitchel Field), S06090 (Simpson Electric Company, Inc.), 127 (Simpson Electric Company, Inc.), 01720 (Simpson Electric Company, Inc.), 127-0-5ADC (Simpson Electric Company, Inc.) and 1 more.

What NSN replaces 6625-00-043-2305?

There are 11 known substitutes for 6625-00-043-2305: 6625-00-051-9029, 6625-00-643-0599, 6625-00-752-7556 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 01720?

Key specifications for 01720: Overall Length: 2.160 INCHES NOMINAL IN; Pointer Color: BLACK SINGLE INDICATOR SINGLE RANGE; Measurement Range: +0.0 TO 5.0 AMPERES, DC SINGLE INDICATOR SINGLE RANGE; Mounting Facility Type and Quantity: 4 THREADED STUD(S). 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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