PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

00320Ammeter

Simpson Electric Company, Inc. · NSN 6625-00-982-2154 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-982-2154 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-982-2154. Primary manufacturer part number: 00320.
Features
  • Ammeter — FSC 6625
  • Movement Suspension Method: JEWEL PIVOT BASE
  • Circuit Attachment Method and Quantity: 2 THREADED STUD
  • Power Source: EXTERNAL
  • Meter Body Diameter Behind Mounting Flange: 2.750 INCHES NOMINAL IN
  • Features Provided: MAGNETIC SHIELD AND ZERO ADJUSTER
  • Meter Depth Behind Mounting Flange: 1.000 INCHES NOMINAL IN
  • Installation Design: PANEL
Applications
  • Applications requiring Glass and Plastic construction
General Description

The Ammeter, cataloged under National Stock Number 6625-00-982-2154, 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 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-982-2154
Primary Part Number00320
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerSimpson Electric Company, Inc.
StatusCANCELLED
Movement Suspension MethodJEWEL PIVOT BASE
Circuit Attachment Method and Quantity2 THREADED STUD
Power SourceEXTERNAL
Meter Body Diameter Behind Mounting Flange2.750 INCHES NOMINAL IN
Features ProvidedMAGNETIC SHIELD AND ZERO ADJUSTER
Meter Depth Behind Mounting Flange1.000 INCHES NOMINAL IN
Installation DesignPANEL
Scale Division Quantity50 SINGLE INDICATOR SINGLE RANGE
Mounting Arrangement StyleFOUR HOLE/STUD RECTANGULAR/SQUARE
Circuit Construction TypeNONELECTRONIC
MaterialGLASS AND PLASTIC
Mounting Facility Type and Quantity4 THREADED STUD(S)
Environmental ProtectionSHOCK RESISTANT AND VIBRATION RESISTANT AND WATER RESISTANT
Movement TypeMOVING COIL, PERMANENT MAGNET
Indicator TypeDIAL W/POINTER
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Panel for Which DesignedMAGNETIC OR NONMAGNETIC
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Sensitivity Rating50.0 MILLIVOLTS
Furnished Items and QuantityNUT 2
Style DesignatorRECTANGULAR FLUSH MTG
FSC Application DataTEST SET,ELECT. EQUIP.
Nuclear Hardness Critical FeatureNONHARDENED
Special Test FeaturesMEETS REQUIREMENTS OF ANSI C39.1
ColorUNABLE TO DECODE
Scale Graduation TypeLINEAR SINGLE INDICATOR SINGLE RANGE
Center to Center Distance Between Mounting Facilities Parallel to Length2.250 INCHES NOMINAL IN
Mounting Stud Length0.500 INCHES MINIMUM AND 0.593 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
Successor6625-00-153-9058 (136301-087)
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeJN
Weight1.5000 lbs
Cube0.0130 cu ft
Verified Substitutes 12
No Item Name Available
6625-00-153-9058136301-087 SUCCESSOR
Voltmeter
Exide Corp San Francisco District Industrial Div
6625-00-433-4263301 SUCCESSOR
Generator,signal
Fluke Biomedical Corporation
Voltmeter
7045-01-050-2331301 SUCCESSOR
Merger,slitter
The Standard Register Company
Clip,electrical
6625-01-108-655900260 SUCCESSOR
Ammeter
Simpson Electric Company, Inc.
5998-01-363-640630-1 SUCCESSOR
Circuit Card Assembly
Celtech Corporation
6625-00-218-6511458-0637-00 INTERCHANGEABLE
Meter,null
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
6625-00-234-0889SCC26227 INTERCHANGEABLE
Ammeter
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
Cross-Reference Index
Part NumberManufacturer
00320 Simpson Electric Company, Inc. (USA)
27 Simpson Electric Company, Inc. (USA)
327T0-50DCA Triplett (bluffton) Corporation Dba Lfe Instruments (USA)
1025715 Triplett (bluffton) Corporation Dba Lfe Instruments (USA)
301 Solartron Electronics Inc Weston Instruments Div (USA)
55F068 Simpson Electronics Inc (USA)
0320 Simpson Electronics Inc (USA)
27-00320 Simpson Electric Company, Inc. (USA)
53SN Jewell Instruments Llc (USA)
Related Parts
SUCCESSOR 6625-00-153-9058 Voltmeter · 136301-087
6625-01-022-8433SUCCESSOR
NO ITEM NAME AVAILABLE
6625-00-433-4263SUCCESSOR
GENERATOR,SIGNAL
301
6625-00-643-1792SUCCESSOR
VOLTMETER
7045-01-050-2331SUCCESSOR
MERGER,SLITTER
301
5999-01-093-9473SUCCESSOR
CLIP,ELECTRICAL
6625-01-108-6559SUCCESSOR
AMMETER
00260
5998-01-363-6406SUCCESSOR
CIRCUIT CARD ASSEMBLY
30-1
6625-00-218-6511INTERCHANGEABLE
METER,NULL
458-0637-00
6625-00-234-0889INTERCHANGEABLE
AMMETER
SCC26227
6625-00-243-3471INTERCHANGEABLE
AMMETER
05010
5310-00-314-3543INTERCHANGEABLE
WASHER,SHOULDERED
106-32ALT1PC99

Frequently Asked Questions

What is NSN 6625-00-982-2154?

NSN 6625-00-982-2154 is a Ammeter, manufactured by Simpson Electric Company, Inc., classified under FSC 6625 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6625-00-982-2154?

NSN 6625-00-982-2154 has 9 cross-referenced part numbers: 00320 (Simpson Electric Company, Inc.), 27 (Simpson Electric Company, Inc.), 327T0-50DCA (Triplett (bluffton) Corporation Dba Lfe Instruments), 1025715 (Triplett (bluffton) Corporation Dba Lfe Instruments), 301 (Solartron Electronics Inc Weston Instruments Div) and 4 more.

What NSN replaces 6625-00-982-2154?

There are 12 known substitutes for 6625-00-982-2154: 6625-01-022-8433, 6625-00-153-9058, 6625-00-433-4263 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 00320?

Key specifications for 00320: Overall Length: 2.080 INCHES NOMINAL IN; Movement Suspension Method: JEWEL PIVOT BASE; Circuit Attachment Method and Quantity: 2 THREADED STUD; Power Source: EXTERNAL. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6625-00-982-2154 still in active supply?

NSN 6625-00-982-2154 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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