PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

64818Voltmeter

Scientific Atlanta Inc · NSN 6625-00-449-2842 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-449-2842 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-449-2842. Primary manufacturer part number: 64818.
Features
  • Voltmeter — FSC 6625
  • Meter Body Diameter Behind Mounting Flange: 1.500 INCHES NOMINAL IN
  • Nuclear Hardness Critical Feature: NONHARDENED
  • Meter Depth Behind Mounting Flange: 0.870 INCHES NOMINAL IN
  • Material: PLASTIC
  • Movement Type: MOVING COIL, PERMANENT MAGNET
  • FSC Application Data: TEST SET,ELECT. EQUIP.
  • Style Designator: RECTANGULAR FLUSH MTG
Applications
  • Applications requiring Plastic construction
General Description

The Voltmeter, cataloged under National Stock Number 6625-00-449-2842, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Scientific Atlanta Inc. 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-449-2842
Primary Part Number64818
Item NameVoltmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerScientific Atlanta Inc
StatusACTIVE
Meter Body Diameter Behind Mounting Flange1.500 INCHES NOMINAL IN
Nuclear Hardness Critical FeatureNONHARDENED
Meter Depth Behind Mounting Flange0.870 INCHES NOMINAL IN
MaterialPLASTIC
Movement TypeMOVING COIL, PERMANENT MAGNET
FSC Application DataTEST SET,ELECT. EQUIP.
Style DesignatorRECTANGULAR FLUSH MTG
Mounting Stud Length0.530 INCHES NOMINAL IN
ColorUNABLE TO DECODE
Installation DesignPANEL
Mounting Arrangement StyleFOUR HOLE/STUD RECTANGULAR/SQUARE
Sensitivity Rating200.0 MILLIAMPERES
Scale Selection MethodTERMINAL
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Special MarkingsOUTPUT-VOLTS PEAK-PEAK
Features ProvidedMAGNETIC SHIELD AND ZERO ADJUSTER
Movement Suspension MethodJEWEL PIVOT BASE
Mounting Facility Type and Quantity4 THREADED STUD(S)
Mounting Stud Diameter0.112 INCHES NOMINAL IN
Power SourceEXTERNAL
Scale Division Quantity20 SINGLE INDICATOR SINGLE RANGE
Indicator TypeDIAL W/POINTER
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Scale Graduation TypeLINEAR SINGLE INDICATOR SINGLE RANGE
Circuit Current for Which DesignedDC
Center to Center Distance Between Mounting Facilities Parallel to Length1.320 INCHES NOMINAL IN
Measurement Range+0.0 TO 10.0 VOLTS, DC SINGLE INDICATOR SINGLE RANGE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeY
Verified Substitutes 5
5920-00-156-44731212C INTERCHANGEABLE
Fuseholder,extractor Post
Littelfuse, Inc.
6625-00-195-662964819 INTERCHANGEABLE
Meter,special Scale
Scientific Atlanta Inc
5340-00-341-294517251 INTERCHANGEABLE
Strap,retaining
Egs Electrical Group Appleton Div
6625-00-420-2367 INTERCHANGEABLE
Ammeter
5985-00-453-55607913127-3 INTERCHANGEABLE
Isolator,radio Frequency Reflect
Us Army Aviation and Missile Command
Cross-Reference Index
Part NumberManufacturer
64818 PRIMARY Scientific Atlanta Inc (USA)
1212C Simpson Electric Company, Inc. (USA)
Related Parts
5920-00-156-4473INTERCHANGEABLE
FUSEHOLDER,EXTRACTOR POST
1212C
6625-00-195-6629INTERCHANGEABLE
METER,SPECIAL SCALE
64819
5340-00-341-2945INTERCHANGEABLE
STRAP,RETAINING
17251
6625-00-420-2367INTERCHANGEABLE
AMMETER
5985-00-453-5560INTERCHANGEABLE
ISOLATOR,RADIO FREQUENCY REFLECT
7913127-3

Frequently Asked Questions

What is NSN 6625-00-449-2842?

NSN 6625-00-449-2842 is a Voltmeter, manufactured by Scientific Atlanta Inc, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-449-2842?

NSN 6625-00-449-2842 has 2 cross-referenced part numbers: 64818 (Scientific Atlanta Inc), 1212C (Simpson Electric Company, Inc.).

What NSN replaces 6625-00-449-2842?

There are 5 known substitutes for 6625-00-449-2842: 5920-00-156-4473, 6625-00-195-6629, 5340-00-341-2945 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 64818?

Key specifications for 64818: Meter Body Diameter Behind Mounting Flange: 1.500 INCHES NOMINAL IN; Nuclear Hardness Critical Feature: NONHARDENED; Meter Depth Behind Mounting Flange: 0.870 INCHES NOMINAL IN; Material: PLASTIC. 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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