PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

163W003X3Ammeter

Prime Technology Llc · NSN 6625-00-133-4355 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-133-4355 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-133-4355. Primary manufacturer part number: 163W003X3.
Features
  • Ammeter — FSC 6625
  • Meter Depth Behind Mounting Flange: 1.250 INCHES NOMINAL IN
  • Installation Design: PANEL
  • Dial Scale Marking Color: BLACK SINGLE INDICATOR SINGLE RANGE
  • Accuracy in Percent: -3.0 TO 3.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
  • Panel for Which Designed: MAGNETIC
  • Movement Type: MOVING COIL, PERMANENT MAGNET
  • Meter Body Diameter Behind Mounting Flange: 1.510 INCHES NOMINAL IN
Applications
  • Applications requiring Steel construction
General Description

The Ammeter, cataloged under National Stock Number 6625-00-133-4355, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Prime Technology Llc. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 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
NSN6625-00-133-4355
Primary Part Number163W003X3
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerPrime Technology Llc
StatusACTIVE
Meter Depth Behind Mounting Flange1.250 INCHES NOMINAL IN
Installation DesignPANEL
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Accuracy in Percent-3.0 TO 3.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Panel for Which DesignedMAGNETIC
Movement TypeMOVING COIL, PERMANENT MAGNET
Meter Body Diameter Behind Mounting Flange1.510 INCHES NOMINAL IN
Indicator TypeDIAL W/POINTER
Scale Division Quantity30 SINGLE INDICATOR SINGLE RANGE
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Environmental ProtectionSHOCK RESISTANT AND VIBRATION RESISTANT
Scale Graduation TypeLINEAR SINGLE INDICATOR SINGLE RANGE
Measurement Range+0.0 TO 3.0 AMPERES, DC SINGLE INDICATOR SINGLE RANGE
Features ProvidedMAGNETIC SHIELD AND ZERO ADJUSTER
Power SourceEXTERNAL
Circuit Construction TypeNONELECTRONIC
Movement Suspension MethodJEWEL PIVOT BASE
Center to Center Distance Between Mounting Facilities Parallel to Width1.306 INCHES MINIMUM AND 1.318 INCHES MAXIMUM IN
Nuclear Hardness Critical FeatureNONHARDENED
Circuit Current for Which DesignedDC
Center to Center Distance Between Mounting Facilities Parallel to Length1.306 INCHES MINIMUM AND 1.318 INCHES MAXIMUM IN
Circuit Attachment Method and Quantity2 THREADED STUD
Style DesignatorRECTANGULAR FLUSH MTG
MaterialSTEEL
ColorUNABLE TO DECODE
Mounting Facility Type and Quantity4 UNTHREADED HOLE(S)
Mounting Arrangement StyleFOUR HOLE/STUD RECTANGULAR/SQUARE
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6625-00-033-7873 (666193-658)
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeX
Verified Substitutes 12
6625-00-033-7873666193-658 SUCCESSOR
Voltmeter
Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc
6625-00-060-9989SMB423441 SUCCESSOR
Meter,arbitrary Scale
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
Meter,arbitrary Scale
6625-00-145-1278000743 SUCCESSOR
Meter,arbitrary Scale
Moog Inc Div Moog Inc., Space and Defense - Salt Lake City
Meter,arbitrary Scale
6625-00-236-3297810003-108 SUCCESSOR
Meter,audio Level
Bae Systems Information and Electronic Systems Integration Inc. Div Bae Systems Information & Electronic Systems Integration Inc
6625-00-263-781672P237282-21-11 SUCCESSOR
Meter,arbitrary Scale
Herley Chicago Dba Stewart Warner Electronics
Meter,arbitrary Scale
6625-00-437-4931315-016 SUCCESSOR
Meter,arbitrary Scale
Raytheon Company Dba Raytheon Co
6625-00-647-26579072481 SUCCESSOR
Meter,arbitrary Scale
Us Army Aviation and Missile Command
Cross-Reference Index
Part NumberManufacturer
163W003X3 PRIMARY Prime Technology Llc (USA)
163W003X3 Prime Technology Inc International Instruments Div (USA)
163W Prime Technology Llc (USA)
163W Prime Technology Inc International Instruments Div (USA)
557932-1 Raytheon Company (USA)
Related Parts
SUCCESSOR 6625-00-033-7873 Voltmeter · 666193-658
6625-00-060-9989SUCCESSOR
METER,ARBITRARY SCALE
SMB423441
6625-00-106-7549SUCCESSOR
METER,ARBITRARY SCALE
6625-00-145-1278SUCCESSOR
METER,ARBITRARY SCALE
000743
6625-00-187-5026SUCCESSOR
METER,ARBITRARY SCALE
6625-00-236-3297SUCCESSOR
METER,AUDIO LEVEL
810003-108
6625-00-263-7816SUCCESSOR
METER,ARBITRARY SCALE
72P237282-21-11
6625-00-353-0230SUCCESSOR
METER,ARBITRARY SCALE
6625-00-437-4931SUCCESSOR
METER,ARBITRARY SCALE
315-016
6625-00-647-2657SUCCESSOR
METER,ARBITRARY SCALE
9072481
6625-00-775-2507SUCCESSOR
METER,AMPERE-HOUR
6625-01-013-9253SUCCESSOR
METER,MULTIPLE SCALE
4400D0749-5

Frequently Asked Questions

What is NSN 6625-00-133-4355?

NSN 6625-00-133-4355 is a Ammeter, manufactured by Prime Technology Llc, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-133-4355?

NSN 6625-00-133-4355 has 5 cross-referenced part numbers: 163W003X3 (Prime Technology Llc), 163W003X3 (Prime Technology Inc International Instruments Div), 163W (Prime Technology Llc), 163W (Prime Technology Inc International Instruments Div), 557932-1 (Raytheon Company).

What NSN replaces 6625-00-133-4355?

There are 12 known substitutes for 6625-00-133-4355: 6625-00-033-7873, 6625-00-060-9989, 6625-00-106-7549 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 163W003X3?

Key specifications for 163W003X3: Meter Depth Behind Mounting Flange: 1.250 INCHES NOMINAL IN; Installation Design: PANEL; Dial Scale Marking Color: BLACK SINGLE INDICATOR SINGLE RANGE; Accuracy in Percent: -3.0 TO 3.0 AT FULL SCALE 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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