PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

03220Ammeter

Simpson Electric Company, Inc. · NSN 6625-01-147-1571 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-01-147-1571 — this item is cataloged by the U.S. Government under National Stock Number 6625-01-147-1571. Primary manufacturer part number: 03220.
Features
  • Ammeter — FSC 6625
  • Accuracy in Percent: -1.0 TO 1.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
  • Nuclear Hardness Critical Feature: NONHARDENED
  • Meter Body Diameter Behind Mounting Flange: 2.730 INCHES NOMINAL IN
  • Color: UNABLE TO DECODE
  • Movement Type: MOVING IRON VANE
  • Circuit Attachment Method and Quantity: 2 THREADED STUD
  • Style Designator: RECTANGULAR FLUSH MTG
Applications
  • Applications requiring Plastic construction
General Description

The Ammeter, cataloged under National Stock Number 6625-01-147-1571, 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 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-01-147-1571
Primary Part Number03220
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerSimpson Electric Company, Inc.
StatusACTIVE
Accuracy in Percent-1.0 TO 1.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Nuclear Hardness Critical FeatureNONHARDENED
Meter Body Diameter Behind Mounting Flange2.730 INCHES NOMINAL IN
ColorUNABLE TO DECODE
Movement TypeMOVING IRON VANE
Circuit Attachment Method and Quantity2 THREADED STUD
Style DesignatorRECTANGULAR FLUSH MTG
Movement Suspension MethodJEWEL PIVOT BASE
Measurement Range+0.0 TO 100.0 AMPERES, AC SINGLE INDICATOR SINGLE RANGE
Mounting Facility Type and Quantity4 THREADED STUD(S)
Mounting Stud Diameter0.112 INCHES NOMINAL IN
Scale Selection MethodTERMINAL
Features ProvidedZERO ADJUSTER
MaterialPLASTIC
Installation DesignPANEL
Center to Center Distance Between Mounting Facilities Parallel to Length2.240 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Width2.240 INCHES NOMINAL IN
Mounting Stud Length0.700 INCHES NOMINAL IN
Circuit Current for Which DesignedAC
Frequency Response Range+25.000 TO 800.000 HERTZ
Mounting Arrangement StyleFOUR HOLE/STUD RECTANGULAR/SQUARE
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Meter Depth Behind Mounting Flange1.220 INCHES NOMINAL IN
Accuracy in Percent-1.0 TO 1.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Nuclear Hardness Critical FeatureNONHARDENED
Meter Body Diameter Behind Mounting Flange2.730 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeY
Verified Substitutes 3
4730-00-826-6513 INTERCHANGEABLE
Plug,pipe
7930-01-448-4021A-151 INTERCHANGEABLE
Cleaning Compound,solvent-Deterg
Illinois Tool Works Inc. Dba L P S Laboratories
5331-01-607-70820-3-2-20 INTERCHANGEABLE
O-Ring
Bird-Johnson Propeller Company, Llc
Cross-Reference Index
Part NumberManufacturer
03220 Simpson Electric Company, Inc. (USA)
1357-03220 Simpson Electric Company, Inc. (USA)
1357-0-100AAC Simpson Electric Company, Inc. (USA)
Related Parts
4730-00-826-6513INTERCHANGEABLE
PLUG,PIPE
7930-01-448-4021INTERCHANGEABLE
CLEANING COMPOUND,SOLVENT-DETERG
A-151
5331-01-607-7082INTERCHANGEABLE
O-RING
0-3-2-20

Frequently Asked Questions

What is NSN 6625-01-147-1571?

NSN 6625-01-147-1571 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 6625-01-147-1571?

NSN 6625-01-147-1571 has 3 cross-referenced part numbers: 03220 (Simpson Electric Company, Inc.), 1357-03220 (Simpson Electric Company, Inc.), 1357-0-100AAC (Simpson Electric Company, Inc.).

What NSN replaces 6625-01-147-1571?

There are 3 known substitutes for 6625-01-147-1571: 4730-00-826-6513, 7930-01-448-4021, 5331-01-607-7082. Verify interchangeability with system specifications before substitution.

What are the specifications of 03220?

Key specifications for 03220: Overall Length: 2.540 INCHES NOMINAL IN; Accuracy in Percent: -1.0 TO 1.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE; Nuclear Hardness Critical Feature: NONHARDENED; Meter Body Diameter Behind Mounting Flange: 2.730 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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