PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1900Meter,special Scale

Eaton Electrical Inc. Dba Cuttler Hmmer Cmrcl Cntrls Div Div Vehicle Controls Business Unit · NSN 6625-00-845-6937 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-845-6937 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-845-6937. Primary manufacturer part number: 1900.
Features
  • Meter,special Scale — FSC 6625
  • Scale Graduation Type: LINEAR SINGLE INDICATOR ALL RANGES
  • Mounting Stud Diameter: 0.138 INCHES NOMINAL IN
  • Mounting Facility Type and Quantity: 6 THREADED STUD(S)
  • Material: STEEL
  • Color: UNABLE TO DECODE
  • Style Designator: ROUND FLUSH MTG
  • Special Markings: RED LINE AROUND DIAL OF METER
Applications
  • Applications requiring Steel construction
General Description

The Meter,special Scale, cataloged under National Stock Number 6625-00-845-6937, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Eaton Electrical Inc. Dba Cuttler Hmmer Cmrcl Cntrls Div Div Vehicle Controls Business Unit. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6625-00-845-6937
Primary Part Number1900
Item NameMeter,special Scale
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerEaton Electrical Inc. Dba Cuttler Hmmer Cmrcl Cntrls Div Div Vehicle Controls Business Unit
StatusACTIVE
Scale Graduation TypeLINEAR SINGLE INDICATOR ALL RANGES
Mounting Stud Diameter0.138 INCHES NOMINAL IN
Mounting Facility Type and Quantity6 THREADED STUD(S)
MaterialSTEEL
ColorUNABLE TO DECODE
Style DesignatorROUND FLUSH MTG
Special MarkingsRED LINE AROUND DIAL OF METER
Surface TreatmentENAMEL SEMIGLOSS
Nuclear Hardness Critical FeatureNONHARDENED
FSC Application DataTEST SET,ELECT. EQUIP.
Dial Scale Marking ColorBLACK SINGLE INDICATOR ALL RANGES
Meter Depth Behind Mounting Flange2.450 INCHES MAXIMUM IN
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR ALL RANGES
Indicator TypeDIAL W/POINTER
Panel for Which DesignedNONMAGNETIC
Installation DesignPANEL
Meter Body Diameter Behind Mounting Flange3.760 INCHES MAXIMUM IN
Mounting Stud Length0.500 INCHES NOMINAL IN
Mounting Arrangement StyleSIX HOLE/STUD BOLT CIRCLE
Sensitivity Rating20.0 MICROAMPERES
Movement TypeMOVING COIL, PERMANENT MAGNET
Unable to DecodeUNABLE TO DECODE
Furnished Items and QuantityMTG HDW 6
Overall Diameter4.600 INCHES MAXIMUM IN
Scale Division Quantity50 SINGLE INDICATOR ALL RANGES
Mounting Bolt Circle Diameter4.125 INCHES NOMINAL IN
Features ProvidedZERO ADJUSTER
Environmental ProtectionSHOCK RESISTANT AND VIBRATION RESISTANT
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6625-00-816-5937
HAZMATNo
Verified Substitutes 12
Ammeter
6625-00-993-62321541 SUCCESSOR
Meter,audio Level
Lockheed Martin Corporation Div Rms
6625-01-165-21211900 SUCCESSOR
DC Instrument Calib
Ge Aviation Systems Llc Dba Ge Aviation Systems Llc
Computer System,digital
6625-00-118-6740128C772H01 INTERCHANGEABLE
Meter,special Scale
Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp
6625-00-519-0063 INTERCHANGEABLE
Meter,arbitrary Scale
6625-00-555-2954900309-2 INTERCHANGEABLE
Meter,arbitrary Scale
Raytheon Company Dba Raytheon
6625-00-624-8106 INTERCHANGEABLE
Ohmmeter
6625-00-761-1168 INTERCHANGEABLE
Meter,arbitrary Scale
6625-00-762-6480 INTERCHANGEABLE
Meter,arbitrary Scale
Cross-Reference Index
Part NumberManufacturer
1900 PRIMARY Eaton Electrical Inc. Dba Cuttler Hmmer Cmrcl Cntrls Div Div Vehicle Controls Business Unit (USA)
1541 Solartron Electronics Inc Weston Instruments Div (USA)
Related Parts
SUCCESSOR 6625-00-816-5937 Ammeter
6625-00-993-6232SUCCESSOR
METER,AUDIO LEVEL
1541
6625-01-165-2121SUCCESSOR
DC INSTRUMENT CALIB
1900
7010-01-208-5931SUCCESSOR
COMPUTER SYSTEM,DIGITAL
6625-00-118-6740INTERCHANGEABLE
METER,SPECIAL SCALE
128C772H01
6625-00-519-0063INTERCHANGEABLE
METER,ARBITRARY SCALE
6625-00-555-2954INTERCHANGEABLE
METER,ARBITRARY SCALE
900309-2
6625-00-624-8106INTERCHANGEABLE
OHMMETER
6625-00-761-1168INTERCHANGEABLE
METER,ARBITRARY SCALE
6625-00-762-6480INTERCHANGEABLE
METER,ARBITRARY SCALE
5998-01-076-7328INTERCHANGEABLE
GUIDE,CIRCUIT CARD,LOCKING TAB
1900
7025-01-601-1156INTERCHANGEABLE
RECEIVER,DIGITAL DATA
1900

Frequently Asked Questions

What is NSN 6625-00-845-6937?

NSN 6625-00-845-6937 is a Meter,special Scale, manufactured by Eaton Electrical Inc. Dba Cuttler Hmmer Cmrcl Cntrls Div Div Vehicle Controls Business Unit, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-845-6937?

NSN 6625-00-845-6937 has 2 cross-referenced part numbers: 1900 (Eaton Electrical Inc. Dba Cuttler Hmmer Cmrcl Cntrls Div Div Vehicle Controls Business Unit), 1541 (Solartron Electronics Inc Weston Instruments Div).

What NSN replaces 6625-00-845-6937?

There are 12 known substitutes for 6625-00-845-6937: 6625-00-816-5937, 6625-00-993-6232, 6625-01-165-2121 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1900?

Key specifications for 1900: Scale Graduation Type: LINEAR SINGLE INDICATOR ALL RANGES; Mounting Stud Diameter: 0.138 INCHES NOMINAL IN; Mounting Facility Type and Quantity: 6 THREADED STUD(S); Special Features: RUGGEDIZED. 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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