PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

200502Ammeter

Adt John B Co · NSN 6625-00-102-8721 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-102-8721 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-102-8721. Primary manufacturer part number: 200502.
Features
  • Ammeter — FSC 6625
  • Scale Graduation Type: LINEAR SINGLE INDICATOR SINGLE RANGE
  • Dielectric Withstanding Voltage in Volts: 3000.0
  • Scale Division Quantity: 50 SINGLE INDICATOR SINGLE RANGE
  • Pointer Color: BLACK SINGLE INDICATOR SINGLE RANGE
  • Circuit Current for Which Designed: DC
  • Panel for Which Designed: NONMAGNETIC
  • Mounting Arrangement Style: THREE HOLE/STUD BOLT CIRCLE
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Ammeter, cataloged under National Stock Number 6625-00-102-8721, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Adt John B Co. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-102-8721
Primary Part Number200502
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerAdt John B Co
StatusACTIVE
Scale Graduation TypeLINEAR SINGLE INDICATOR SINGLE RANGE
Dielectric Withstanding Voltage in Volts3000.0
Scale Division Quantity50 SINGLE INDICATOR SINGLE RANGE
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Circuit Current for Which DesignedDC
Panel for Which DesignedNONMAGNETIC
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Meter Depth Behind Mounting Flange2.450 INCHES NOMINAL IN
Mounting Bolt Circle Diameter3.160 INCHES NOMINAL IN
Power SourceEXTERNAL
Overall Diameter3.510 INCHES NOMINAL IN
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Meter Body Diameter Behind Mounting Flange2.800 INCHES NOMINAL IN
Scale Selection MethodTERMINAL
Circuit Construction TypeNONELECTRONIC
Mounting Facility Type and Quantity3 UNTHREADED HOLE(S)
Circuit Attachment Method and Quantity2 BINDING POST
Measurement Range+0.0 TO 1000.0 AMPERES, DC SINGLE INDICATOR SINGLE RANGE
Mounting Hole Diameter0.150 INCHES NOMINAL IN
Style DesignatorROUND FLUSH MTG
Features ProvidedZERO ADJUSTER
Nuclear Hardness Critical FeatureNONHARDENED
ColorUNABLE TO DECODE
FSC Application DataTEST SET,ELECT. EQUIP.
Indicator TypeDIAL W/POINTER
Movement Suspension MethodJEWEL PIVOT BASE
Installation DesignPANEL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeY
Verified Substitutes 5
4140-00-001-840420050-2 INTERCHANGEABLE
Fan,vaneaxial
Rtx Corporation Div Pratt & Whitney
5995-00-863-3497200502 INTERCHANGEABLE
Cable Assembly,special Purpose,e
L3harris Interstate Electronics Corporation
5310-00-961-8066200502 INTERCHANGEABLE
Washer,flat
L3harris Technologies, Inc. Dba Harris Corporation
4140-01-072-2288 INTERCHANGEABLE
Fan,tubeaxial
4730-01-624-60081670-3 INTERCHANGEABLE
Vent,tank
Attwood Corp
Cross-Reference Index
Part NumberManufacturer
200502 Adt John B Co (USA)
Related Parts
4140-00-001-8404INTERCHANGEABLE
FAN,VANEAXIAL
20050-2
5995-00-863-3497INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
200502
5310-00-961-8066INTERCHANGEABLE
WASHER,FLAT
200502
4140-01-072-2288INTERCHANGEABLE
FAN,TUBEAXIAL
4730-01-624-6008INTERCHANGEABLE
VENT,TANK
1670-3

Frequently Asked Questions

What is NSN 6625-00-102-8721?

NSN 6625-00-102-8721 is a Ammeter, manufactured by Adt John B Co, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-102-8721?

NSN 6625-00-102-8721 has 1 cross-referenced part number: 200502 (Adt John B Co).

What NSN replaces 6625-00-102-8721?

There are 5 known substitutes for 6625-00-102-8721: 4140-00-001-8404, 5995-00-863-3497, 5310-00-961-8066 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 200502?

Key specifications for 200502: Scale Graduation Type: LINEAR SINGLE INDICATOR SINGLE RANGE; Dielectric Withstanding Voltage in Volts: 3000.0; Scale Division Quantity: 50 SINGLE INDICATOR SINGLE RANGE; Pointer Color: BLACK SINGLE INDICATOR SINGLE RANGE. 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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