PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

NT35Ammeter

Westinghouse Electric Corp · NSN 6625-00-643-1436 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-643-1436 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-643-1436. Primary manufacturer part number: NT35.
Features
  • Ammeter — FSC 6625
  • Panel for Which Designed: NONMAGNETIC
  • Meter Body Diameter Behind Mounting Flange: 2.800 INCHES MAXIMUM IN
  • Sensitivity Rating: 2.0 MICROAMPERES
  • Mounting Hole Diameter: 0.150 INCHES NOMINAL IN
  • Style Designator: ROUND FLUSH MTG
  • Surface Treatment: PAINT
  • Scale Selection Method: TERMINAL
Applications
  • Applications requiring Steel construction
General Description

The Ammeter, cataloged under National Stock Number 6625-00-643-1436, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Westinghouse Electric Corp. 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-643-1436
Primary Part NumberNT35
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerWestinghouse Electric Corp
StatusACTIVE
Panel for Which DesignedNONMAGNETIC
Meter Body Diameter Behind Mounting Flange2.800 INCHES MAXIMUM IN
Sensitivity Rating2.0 MICROAMPERES
Mounting Hole Diameter0.150 INCHES NOMINAL IN
Style DesignatorROUND FLUSH MTG
Surface TreatmentPAINT
Scale Selection MethodTERMINAL
Nuclear Hardness Critical FeatureNONHARDENED
Environmental ProtectionAIRTIGHT AND DUST RESISTANT AND FUNGUS RESISTANT AND HEAT RESISTANT AND HUMIDITY RESISTANT AND SHOCK RESISTANT AND VIBRATION RESISTANT AND WATER RESISTANT
Special MarkingsON BACK,SEALED DO NOT OPEN
Dielectric Withstanding Voltage in Volts3000.0
Special Test FeaturesCOMPLIES WITH MIL-M-10304/14
Movement TypeMOVING IRON VANE
MaterialSTEEL
Meter Depth Behind Mounting Flange1.660 INCHES MAXIMUM IN
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
FSC Application DataTEST SET,ELECT. EQUIP.
Features ProvidedZERO ADJUSTER
Movement Suspension MethodJEWEL PIVOT BASE
Circuit Attachment Method and Quantity2 SOLDER LUG AND 2 THREADED STUD
Overall Diameter3.510 INCHES MAXIMUM IN
Power SourceEXTERNAL
Measurement Range+0.0 TO 2.0 AMPERES, RF SINGLE INDICATOR SINGLE RANGE
Circuit Current for Which DesignedAC
Frequency Rating50.0 KILOHERTZ NOMINAL
Indicator TypeDIAL W/POINTER
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeJN
Weight0.0100 lbs
Cube0.0010 cu ft
Verified Substitutes 6
8415-00-009-1900 INTERCHANGEABLE
Gloves,chemical and Oil Protecti
5310-00-177-1258N35P INTERCHANGEABLE
Nut,plain,hexagon
Meritor Industrial Products, Llc
5310-00-186-0970 INTERCHANGEABLE
Washer,key
5999-00-504-4466N35 INTERCHANGEABLE
Heater,thermal Release
Rockwell Automation, Inc. Dba Rockwell Automation
2940-00-541-3494C30 INTERCHANGEABLE
Filter Element,fluid
Honeywell International Inc Dba Honeywell Div Consumer Products Group
4540-00-777-5938N35 INTERCHANGEABLE
Heating Element
Hdt Expeditionary Systems Inc
Cross-Reference Index
Part NumberManufacturer
NT35 PRIMARY Westinghouse Electric Corp (USA)
22019A Naval Ship Systems Command (USA)
MR36W002RLAAR Simpson Electric Company, Inc. (USA)
N35 Westinghouse Electric Corp (USA)
Related Parts
8415-00-009-1900INTERCHANGEABLE
GLOVES,CHEMICAL AND OIL PROTECTI
5310-00-177-1258INTERCHANGEABLE
NUT,PLAIN,HEXAGON
N35P
5310-00-186-0970INTERCHANGEABLE
WASHER,KEY
5999-00-504-4466INTERCHANGEABLE
HEATER,THERMAL RELEASE
N35
2940-00-541-3494INTERCHANGEABLE
FILTER ELEMENT,FLUID
C30
4540-00-777-5938INTERCHANGEABLE
HEATING ELEMENT
N35

Frequently Asked Questions

What is NSN 6625-00-643-1436?

NSN 6625-00-643-1436 is a Ammeter, manufactured by Westinghouse Electric Corp, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-643-1436?

NSN 6625-00-643-1436 has 4 cross-referenced part numbers: NT35 (Westinghouse Electric Corp), 22019A (Naval Ship Systems Command), MR36W002RLAAR (Simpson Electric Company, Inc.), N35 (Westinghouse Electric Corp).

What NSN replaces 6625-00-643-1436?

There are 6 known substitutes for 6625-00-643-1436: 8415-00-009-1900, 5310-00-177-1258, 5310-00-186-0970 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of NT35?

Key specifications for NT35: Panel for Which Designed: NONMAGNETIC; Meter Body Diameter Behind Mounting Flange: 2.800 INCHES MAXIMUM IN; Sensitivity Rating: 2.0 MICROAMPERES; Mounting Hole Diameter: 0.150 INCHES NOMINAL 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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