PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

AD9731-1 PIECE 142Ammeter

Plainville Electrical Products Company, the Dba Plainville Electrical Products · NSN 6625-01-243-3603 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-01-243-3603 — this item is cataloged by the U.S. Government under National Stock Number 6625-01-243-3603. Primary manufacturer part number: AD9731-1 PIECE 142.
Features
  • Ammeter — FSC 6625
  • Installation Design: PANEL
  • Panel for Which Designed: NONMAGNETIC
  • Furnished Items and Quantity: MTG HDW 4; TERM. HDW 2
  • Meter Depth Behind Mounting Flange: 1.876 INCHES NOMINAL IN
  • Dial Scale Marking Color: BLACK SINGLE INDICATOR SINGLE RANGE
  • Movement Type: MOVING COIL, PERMANENT MAGNET
  • Environmental Protection: CORROSION RESISTANT AND SHOCK RESISTANT
Applications
  • Applications requiring Plastic construction
General Description

The Ammeter, cataloged under National Stock Number 6625-01-243-3603, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Plainville Electrical Products Company, the Dba Plainville Electrical Products. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-01-243-3603
Primary Part NumberAD9731-1 PIECE 142
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerPlainville Electrical Products Company, the Dba Plainville Electrical Products
StatusACTIVE
Installation DesignPANEL
Panel for Which DesignedNONMAGNETIC
Furnished Items and QuantityMTG HDW 4; TERM. HDW 2
Meter Depth Behind Mounting Flange1.876 INCHES NOMINAL IN
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Movement TypeMOVING COIL, PERMANENT MAGNET
Environmental ProtectionCORROSION RESISTANT AND SHOCK RESISTANT
Indicator TypeDIAL W/POINTER
Meter Body Diameter Behind Mounting Flange3.960 INCHES NOMINAL IN
Mounting Arrangement StyleFOUR HOLE/STUD RECTANGULAR/SQUARE
Accuracy in Percent-1.5 TO 1.5 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Scale Division Quantity60 SINGLE INDICATOR SINGLE RANGE
ColorUNABLE TO DECODE
Power SourceEXTERNAL
Circuit Attachment Method and Quantity2 THREADED STUD
Scale Selection MethodTERMINAL
Style DesignatorRECTANGULAR FLUSH MTG
Measurement Range-3000.0 TO 3000.0 AMPERES, DC SINGLE INDICATOR SINGLE RANGE
Mounting Facility Type and Quantity4 SCREW AND 4 UNTHREADED HOLE(S)
MaterialPLASTIC
Movement Suspension MethodTAUT BAND
Nuclear Hardness Critical FeatureNONHARDENED
Circuit Construction TypeNONELECTRONIC
Features ProvidedZERO ADJUSTER
Scale Graduation TypeLINEAR SINGLE INDICATOR SINGLE RANGE
FSC Application DataTEST SET,ELECT. EQUIP.
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Special Test FeaturesMEETS REQUIREMENTS OF MIL-W-19088; TESTED UNDER MIL-S-901
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeZ
Weight2.3600 lbs
Cube0.1474 cu ft
Verified Substitutes 7
Meter,modulation
6625-01-222-005215A1349-14 SUCCESSOR
Ammeter
Northrop Grumman Systems Corporation
6625-01-222-005315A1349-9 SUCCESSOR
Ammeter
Northrop Grumman Systems Corporation
6625-01-222-101415A1349-10 SUCCESSOR
Ammeter
Northrop Grumman Systems Corporation
6625-01-222-101515A1349-15 SUCCESSOR
Ammeter
Northrop Grumman Systems Corporation
6625-01-281-5034925312-0014 SUCCESSOR
Meter,special Scale
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
6625-01-315-6453MK701-29 SUCCESSOR
Voltmeter
Mkc Electronics Inc Dba Mk Electronics Div Mkc Electronics Inc, Dba Mk Electronics
Cross-Reference Index
Part NumberManufacturer
KX-241 Hughes Corp Div Dba Weschler Instruments (USA)
AD9731-1 PIECE 142 PRIMARY Plainville Electrical Products Company, the Dba Plainville Electrical Products (USA)
1964955 Hughes Corp Div Dba Weschler Instruments (USA)
MK701-226 Mkc Electronics Inc Dba Mk Electronics Div Mkc Electronics Inc, Dba Mk Electronics (USA)
Related Parts
6625-01-097-2121SUCCESSOR
METER,MODULATION
6625-01-222-0052SUCCESSOR
AMMETER
15A1349-14
6625-01-222-0053SUCCESSOR
AMMETER
15A1349-9
6625-01-222-1014SUCCESSOR
AMMETER
15A1349-10
6625-01-222-1015SUCCESSOR
AMMETER
15A1349-15
6625-01-281-5034SUCCESSOR
METER,SPECIAL SCALE
925312-0014
6625-01-315-6453SUCCESSOR
VOLTMETER
MK701-29

Frequently Asked Questions

What is NSN 6625-01-243-3603?

NSN 6625-01-243-3603 is a Ammeter, manufactured by Plainville Electrical Products Company, the Dba Plainville Electrical Products, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-01-243-3603?

NSN 6625-01-243-3603 has 4 cross-referenced part numbers: KX-241 (Hughes Corp Div Dba Weschler Instruments), AD9731-1 PIECE 142 (Plainville Electrical Products Company, the Dba Plainville Electrical Products), 1964955 (Hughes Corp Div Dba Weschler Instruments), MK701-226 (Mkc Electronics Inc Dba Mk Electronics Div Mkc Electronics Inc, Dba Mk Electronics).

What NSN replaces 6625-01-243-3603?

There are 7 known substitutes for 6625-01-243-3603: 6625-01-097-2121, 6625-01-222-0052, 6625-01-222-0053 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of AD9731-1 PIECE 142?

Key specifications for AD9731-1 PIECE 142: Installation Design: PANEL; Panel for Which Designed: NONMAGNETIC; Overall Length: 3.500 INCHES NOMINAL IN; Furnished Items and Quantity: MTG HDW 4; TERM. HDW 2. 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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