PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

04320Ammeter

Simpson Electric Company, Inc. · NSN 6625-01-030-5275 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-01-030-5275 — this item is cataloged by the U.S. Government under National Stock Number 6625-01-030-5275. Primary manufacturer part number: 04320.
Features
  • Ammeter — FSC 6625
  • Mounting Arrangement Style: FOUR HOLE/STUD RECTANGULAR/SQUARE
  • Circuit Current for Which Designed: DC
  • Nuclear Hardness Critical Feature: NONHARDENED
  • Dial Scale Marking Color: BLACK SINGLE INDICATOR SINGLE RANGE
  • Meter Body Diameter Behind Mounting Flange: 2.170 INCHES NOMINAL IN
  • Movement Suspension Method: JEWEL PIVOT BASE
  • Color: UNABLE TO DECODE
Applications
  • Applications requiring Plastic construction
General Description

The Ammeter, cataloged under National Stock Number 6625-01-030-5275, 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6625-01-030-5275
Primary Part Number04320
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerSimpson Electric Company, Inc.
StatusACTIVE
Mounting Arrangement StyleFOUR HOLE/STUD RECTANGULAR/SQUARE
Circuit Current for Which DesignedDC
Nuclear Hardness Critical FeatureNONHARDENED
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Meter Body Diameter Behind Mounting Flange2.170 INCHES NOMINAL IN
Movement Suspension MethodJEWEL PIVOT BASE
ColorUNABLE TO DECODE
Mounting Stud Diameter0.112 INCHES NOMINAL IN
Circuit Attachment Method and Quantity2 THREADED STUD
Mounting Facility Type and Quantity4 THREADED STUD(S)
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Movement TypeMOVING COIL, PERMANENT MAGNET
Style DesignatorRECTANGULAR FLUSH MTG
Meter Depth Behind Mounting Flange1.060 INCHES NOMINAL IN
MaterialPLASTIC
Installation DesignPANEL
Mounting Stud Length0.540 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Length1.880 INCHES NOMINAL IN
Features ProvidedZERO ADJUSTER
Center to Center Distance Between Mounting Facilities Parallel to Width1.880 INCHES NOMINAL IN
Mounting Arrangement StyleFOUR HOLE/STUD RECTANGULAR/SQUARE
Circuit Current for Which DesignedDC
Nuclear Hardness Critical FeatureNONHARDENED
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Meter Body Diameter Behind Mounting Flange2.170 INCHES NOMINAL IN
Movement Suspension MethodJEWEL PIVOT BASE
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6625-00-464-2133 (224743-001)
HAZMATNo
Verified Substitutes 12
6625-00-464-2133224743-001 SUCCESSOR
Voltmeter
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
6625-00-465-6952216TE0239-1 SUCCESSOR
Voltmeter
Triumph Aerostructures, Llc Dba Triumph Aerostructures - Vought Integrated Programs Division
6625-00-476-1864181001P13 SUCCESSOR
Ammeter
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
6625-00-808-872804350 SUCCESSOR
Ammeter
Simpson Electric Company, Inc.
6625-00-823-532572P231601-1 SUCCESSOR
Ammeter
Herley Chicago Dba Stewart Warner Electronics
6625-00-840-0367990C776H12 SUCCESSOR
Ammeter
Northrop Grumman Systems Corporation Dba Electronic Systems
Ammeter
6625-01-233-8499S12315 SUCCESSOR
Ammeter
Simpson Electric Company, Inc.
6625-01-260-067902530 SUCCESSOR
Ammeter
Simpson Electric Company, Inc.
Voltmeter
Cross-Reference Index
Part NumberManufacturer
9182564 Simpson Electric Company, Inc. (USA)
1227 Simpson Electric Company, Inc. (USA)
04320 PRIMARY Simpson Electric Company, Inc. (USA)
Related Parts
SUCCESSOR 6625-00-464-2133 Voltmeter · 224743-001
6625-00-465-6952SUCCESSOR
VOLTMETER
216TE0239-1
6625-00-476-1864SUCCESSOR
AMMETER
181001P13
6625-00-808-8728SUCCESSOR
AMMETER
04350
6625-00-823-5325SUCCESSOR
AMMETER
72P231601-1
6625-00-840-0367SUCCESSOR
AMMETER
990C776H12
6625-01-203-3378SUCCESSOR
AMMETER
6625-01-233-8499SUCCESSOR
AMMETER
S12315
6625-01-260-0679SUCCESSOR
AMMETER
02530
6625-01-286-6659SUCCESSOR
VOLTMETER
6625-00-052-1518INTERCHANGEABLE
AMMETER
4017626-0702
6625-00-412-4816INTERCHANGEABLE
AMMETER

Frequently Asked Questions

What is NSN 6625-01-030-5275?

NSN 6625-01-030-5275 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 6625-01-030-5275?

NSN 6625-01-030-5275 has 3 cross-referenced part numbers: 9182564 (Simpson Electric Company, Inc.), 1227 (Simpson Electric Company, Inc.), 04320 (Simpson Electric Company, Inc.).

What NSN replaces 6625-01-030-5275?

There are 12 known substitutes for 6625-01-030-5275: 6625-00-464-2133, 6625-00-465-6952, 6625-00-476-1864 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 04320?

Key specifications for 04320: Overall Height: 2.470 INCHES NOMINAL IN; Mounting Arrangement Style: FOUR HOLE/STUD RECTANGULAR/SQUARE; Circuit Current for Which Designed: DC; Nuclear Hardness Critical Feature: NONHARDENED. 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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