PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2388802Ammeter

Lockheed Martin Corporation Div Rms - Mitchel Field · NSN 6625-00-984-2135 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-984-2135 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-984-2135. Primary manufacturer part number: 2388802.
Features
  • Ammeter — FSC 6625
  • Power Source: EXTERNAL
  • Features Provided: LUMINOUS SCALE MARKING AND MAGNETIC SHIELD AND ZERO ADJUSTER
  • Overall Diameter: 2.695 INCHES MAXIMUM IN
  • Surface Treatment: ENAMEL SEMIGLOSS
  • FSC Application Data: TEST SET,ELECT. EQUIP.
  • Style Designator: ROUND FLUSH MTG
  • Supplementary Features: POWER CONSUMPTION: 150 MILLIVOLTS MAXIMUM
Applications
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Ammeter, cataloged under National Stock Number 6625-00-984-2135, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Lockheed Martin Corporation Div Rms - Mitchel Field. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 9 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-984-2135
Primary Part Number2388802
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerLockheed Martin Corporation Div Rms - Mitchel Field
StatusACTIVE
Power SourceEXTERNAL
Features ProvidedLUMINOUS SCALE MARKING AND MAGNETIC SHIELD AND ZERO ADJUSTER
Overall Diameter2.695 INCHES MAXIMUM IN
Surface TreatmentENAMEL SEMIGLOSS
FSC Application DataTEST SET,ELECT. EQUIP.
Style DesignatorROUND FLUSH MTG
Supplementary FeaturesPOWER CONSUMPTION: 150 MILLIVOLTS MAXIMUM
Environmental ProtectionCOLD RESISTANT AND HEAT RESISTANT AND SHOCK RESISTANT AND SUBMERSIBLE AND VIBRATION RESISTANT AND WATERTIGHT
Meter Body Diameter Behind Mounting Flange2.050 INCHES NOMINAL IN
ColorUNABLE TO DECODE
Movement TypeMOVING COIL, PERMANENT MAGNET
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Meter Depth Behind Mounting Flange1.875 INCHES NOMINAL IN
Installation DesignPANEL
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Scale Division Quantity30 SINGLE INDICATOR SINGLE RANGE
Scale Graduation TypeLINEAR SINGLE INDICATOR SINGLE RANGE
Measurement Range+0.0 TO 150.0 MICROAMPERES, DC SINGLE INDICATOR SINGLE RANGE
Mounting Facility Type and Quantity3 SCREW AND 3 UNTHREADED HOLE(S)
Movement Suspension MethodJEWEL PIVOT BASE
Panel for Which DesignedMAGNETIC OR NONMAGNETIC
Nuclear Hardness Critical FeatureNONHARDENED
Special Test FeaturesCONFORMS TO MIL-M-10304/5,TYPE MR26W150DCUAR
Mounting Bolt Circle Diameter2.440 INCHES NOMINAL IN
MaterialSTEEL CORROSION RESISTING
Furnished Items and QuantityMTG HDW 3
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Sensitivity Rating150.0 MICROAMPERES
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeY
Verified Substitutes 12
6625-00-004-844610238174 SUCCESSOR
Ammeter
Us Army Aviation and Missile Command
6625-00-010-640610183082 SUCCESSOR
Meter,arbitrary Scale
Us Army Aviation and Missile Command
Meter,electrical Frequency
6625-00-080-7120ADD3S2073 SUCCESSOR
Voltmeter
Jewell Instruments Llc
5999-00-099-4476N198645 SUCCESSOR
Heat Sink,electrical-Electronic
Safran Electrical & Power Uk Limited
Heat Sink,electrical-Electronic
6625-00-140-738510548824-4 SUCCESSOR
Voltmeter
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
6625-00-184-3484265-914 SUCCESSOR
Meter,special Scale
Jewell Instruments Llc
6625-00-332-6211SC-C-24420 SUCCESSOR
Multimeter
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
Ammeter
Cross-Reference Index
Part NumberManufacturer
2521 Solartron Electronics Inc Weston Instruments Div (USA)
621 Phaostron Instrument and Electronic Company (USA)
2388802 PRIMARY Lockheed Martin Corporation Div Rms - Mitchel Field (USA)
265 Jewell Instruments, Llc Dba Modutec Use CAGE Code 33005 for Cataloging (USA)
R230 Ideal Precision Meter Co Dba Ideal Precision Meter Co (USA)
221HR Triplett (bluffton) Corporation Dba Lfe Instruments (USA)
207 Phaostron Instrument and Electronic Company (USA)
125R Simpson Electric Company, Inc. (USA)
2521 Weston Instruments Inc Weston Instruments Div Weston-Lexington (USA)
2521 Metermaster Inc Metermod Div (USA)
Related Parts
6625-00-004-8446SUCCESSOR
AMMETER
10238174
6625-00-010-6406SUCCESSOR
METER,ARBITRARY SCALE
10183082
6625-00-057-5534SUCCESSOR
METER,ELECTRICAL FREQUENCY
6625-00-080-7120SUCCESSOR
VOLTMETER
ADD3S2073
5999-00-099-4476SUCCESSOR
HEAT SINK,ELECTRICAL-ELECTRONIC
N198645
5999-00-126-7160SUCCESSOR
HEAT SINK,ELECTRICAL-ELECTRONIC
6625-00-140-7385SUCCESSOR
VOLTMETER
10548824-4
6625-00-184-3484SUCCESSOR
METER,SPECIAL SCALE
265-914
6625-00-332-6211SUCCESSOR
MULTIMETER
SC-C-24420
6625-00-422-2182SUCCESSOR
AMMETER
6625-00-465-2136SUCCESSOR
VOLTMETER
378-0349
6625-00-476-1875SUCCESSOR
WATTMETER
476-0255-010

Frequently Asked Questions

What is NSN 6625-00-984-2135?

NSN 6625-00-984-2135 is a Ammeter, manufactured by Lockheed Martin Corporation Div Rms - Mitchel Field, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-984-2135?

NSN 6625-00-984-2135 has 10 cross-referenced part numbers: 2521 (Solartron Electronics Inc Weston Instruments Div), 621 (Phaostron Instrument and Electronic Company), 2388802 (Lockheed Martin Corporation Div Rms - Mitchel Field), 265 (Jewell Instruments, Llc Dba Modutec Use CAGE Code 33005 for Cataloging), R230 (Ideal Precision Meter Co Dba Ideal Precision Meter Co) and 5 more.

What NSN replaces 6625-00-984-2135?

There are 12 known substitutes for 6625-00-984-2135: 6625-00-004-8446, 6625-00-010-6406, 6625-00-057-5534 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2388802?

Key specifications for 2388802: Special Features: RUGGEDIZED; Power Source: EXTERNAL; Features Provided: LUMINOUS SCALE MARKING AND MAGNETIC SHIELD AND ZERO ADJUSTER; Overall Diameter: 2.695 INCHES MAXIMUM 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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