PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

401-1892971PC35Ammeter

Naval Ship Systems Command · NSN 6625-00-504-2603 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-504-2603 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-504-2603. Primary manufacturer part number: 401-1892971PC35.
Features
  • Ammeter — FSC 6625
  • Mounting Arrangement Style: FOUR HOLE/STUD RECTANGULAR/SQUARE
  • Dial Scale Marking Color: BLACK SINGLE INDICATOR SINGLE RANGE
  • Indicator Type: DIAL W/POINTER
  • Meter Depth Behind Mounting Flange: 10.000 INCHES MAXIMUM IN
  • Movement Suspension Method: JEWEL PIVOT BASE
  • Installation Design: PANEL
  • Accuracy in Percent: -1.5 TO 1.5 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Applications
  • Applications requiring Steel construction
General Description

The Ammeter, cataloged under National Stock Number 6625-00-504-2603, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Naval Ship Systems Command. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-504-2603
Primary Part Number401-1892971PC35
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerNaval Ship Systems Command
StatusACTIVE
Mounting Arrangement StyleFOUR HOLE/STUD RECTANGULAR/SQUARE
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Indicator TypeDIAL W/POINTER
Meter Depth Behind Mounting Flange10.000 INCHES MAXIMUM IN
Movement Suspension MethodJEWEL PIVOT BASE
Installation DesignPANEL
Accuracy in Percent-1.5 TO 1.5 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Scale Division Quantity50 SINGLE INDICATOR SINGLE RANGE
Movement TypeMOVING IRON VANE
Nuclear Hardness Critical FeatureNONHARDENED
Frequency Response Range+392.000 TO 408.000 HERTZ
Environmental ProtectionDUSTPROOF
MaterialSTEEL
Test Data Document81349-MIL-M-10304/4 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
ColorUNABLE TO DECODE
Mounting Stud Length0.500 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
Mounting Facility Type and Quantity4 THREADED STUD(S)
Circuit Construction TypeNONELECTRONIC
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Features ProvidedZERO ADJUSTER
Center to Center Distance Between Mounting Facilities Parallel to Width3.375 INCHES NOMINAL IN
Circuit Attachment Method and Quantity2 THREADED STUD
Power SourceEXTERNAL
Circuit Current for Which DesignedAC
Center to Center Distance Between Mounting Facilities Parallel to Length3.375 INCHES NOMINAL IN
Panel for Which DesignedMAGNETIC
Meter Body Diameter Behind Mounting Flange3.980 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeJF
Weight4.3150 lbs
Cube0.7910 cu ft
Verified Substitutes 1
Ammeter
Cross-Reference Index
Part NumberManufacturer
401-1892971PC35 Naval Ship Systems Command (USA)
9800-403PC35 Electric Boat Corporation Div General Dynamics Electric Boat (USA)
MILM16034-4 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MR49W100AFAAH Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
563-6507-933891ALT3PC4 Naval Ship Systems Command (USA)
MIL-DTL-16034/4 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MR49W100AFAAH General Electric Co Meter Business Dept (USA)
K1-6507-986207PC4 Naval Ship Systems Command (USA)
Related Parts
6625-00-186-8772SUCCESSOR
AMMETER

Frequently Asked Questions

What is NSN 6625-00-504-2603?

NSN 6625-00-504-2603 is a Ammeter, manufactured by Naval Ship Systems Command, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-504-2603?

NSN 6625-00-504-2603 has 8 cross-referenced part numbers: 401-1892971PC35 (Naval Ship Systems Command), 9800-403PC35 (Electric Boat Corporation Div General Dynamics Electric Boat), MILM16034-4 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MR49W100AFAAH (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 563-6507-933891ALT3PC4 (Naval Ship Systems Command) and 3 more.

What NSN replaces 6625-00-504-2603?

There is 1 known substitute for 6625-00-504-2603: 6625-00-186-8772. Verify interchangeability with system specifications before substitution.

What are the specifications of 401-1892971PC35?

Key specifications for 401-1892971PC35: Mounting Arrangement Style: FOUR HOLE/STUD RECTANGULAR/SQUARE; Dial Scale Marking Color: BLACK SINGLE INDICATOR SINGLE RANGE; Indicator Type: DIAL W/POINTER; Overall Height: 4.250 INCHES MINIMUM AND 4.750 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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