PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51958Meter,arbitrary Scale

Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple · NSN 6625-00-585-1158 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-585-1158 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-585-1158. Primary manufacturer part number: 51958.
Features
  • Meter,arbitrary Scale — FSC 6625
  • Color: UNABLE TO DECODE
  • Supplementary Features: 1520 OHMS RESISTANCE
  • Style Designator: ROUND FLUSH MTG
  • Circuit Current for Which Designed: DC
  • Features Provided: ZERO ADJUSTER
  • Surface Treatment: ENAMEL
  • Pointer Color: BLACK SINGLE INDICATOR ALL RANGES
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Meter,arbitrary Scale, cataloged under National Stock Number 6625-00-585-1158, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-585-1158
Primary Part Number51958
Item NameMeter,arbitrary Scale
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerNorthrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple
StatusACTIVE
ColorUNABLE TO DECODE
Supplementary Features1520 OHMS RESISTANCE
Style DesignatorROUND FLUSH MTG
Circuit Current for Which DesignedDC
Features ProvidedZERO ADJUSTER
Surface TreatmentENAMEL
Pointer ColorBLACK SINGLE INDICATOR ALL RANGES
Nuclear Hardness Critical FeatureNONHARDENED
Special Test FeaturesCONFORMS TO MIL-M-10304
Circuit Attachment Method and Quantity2 SOLDER LUG
Movement Suspension MethodJEWEL PIVOT BASE
Dial Scale Marking ColorBLACK SINGLE INDICATOR ALL RANGES
Scale Graduation TypeLINEAR SINGLE INDICATOR ALL RANGES
Environmental ProtectionSHOCK RESISTANT AND VIBRATION RESISTANT
Scale Division Quantity8 SINGLE INDICATOR SECOND RANGE
Sensitivity Rating50.0 MICROAMPERES
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR ALL RANGES
Overall Diameter4.580 INCHES MAXIMUM IN
Meter Body Diameter Behind Mounting Flange2.780 INCHES MAXIMUM IN
Mounting Bolt Circle Diameter4.124 INCHES NOMINAL IN
Unable to DecodeUNABLE TO DECODE
Dielectric Withstanding Voltage in Volts3000.0
Installation DesignPANEL
Mounting Facility Type and Quantity6 SCREW AND 6 UNTHREADED HOLE(S)
Scale Division Quantity50 SINGLE INDICATOR FIRST RANGE
Mounting Hole Diameter0.150 INCHES NOMINAL IN
Mounting Arrangement StyleSIX HOLE/STUD BOLT CIRCLE
Movement TypeMOVING COIL, PERMANENT MAGNET
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6625-01-174-1066 (C-817-10754388)
HAZMATNo
Shelf Life Code0
Unit of IssueEA
SMR CodeY
Verified Substitutes 3
6625-01-174-1066C-817-10754388 SUCCESSOR
Ammeter
Phaostron Instrument and Electronic Company
5940-00-143-4775MS25036-156 INTERCHANGEABLE
Terminal,lug
Sae International Dba Sae International
2920-00-445-986251958 INTERCHANGEABLE
Contact Set,distributor
Mcculloch Corp
Cross-Reference Index
Part NumberManufacturer
51958 Northrop Grumman Systems Corporation Div Es Defensive Systems Division (USA)
51958 PRIMARY Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple (USA)
MR46W Solartron Electronics Inc Weston Instruments Div (USA)
Related Parts
SUCCESSOR 6625-01-174-1066 Ammeter · C-817-10754388
5940-00-143-4775INTERCHANGEABLE
TERMINAL,LUG
MS25036-156
2920-00-445-9862INTERCHANGEABLE
CONTACT SET,DISTRIBUTOR
51958

Frequently Asked Questions

What is NSN 6625-00-585-1158?

NSN 6625-00-585-1158 is a Meter,arbitrary Scale, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-585-1158?

NSN 6625-00-585-1158 has 3 cross-referenced part numbers: 51958 (Northrop Grumman Systems Corporation Div Es Defensive Systems Division), 51958 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple), MR46W (Solartron Electronics Inc Weston Instruments Div).

What NSN replaces 6625-00-585-1158?

There are 3 known substitutes for 6625-00-585-1158: 6625-01-174-1066, 5940-00-143-4775, 2920-00-445-9862. Verify interchangeability with system specifications before substitution.

What are the specifications of 51958?

Key specifications for 51958: Color: UNABLE TO DECODE; Supplementary Features: 1520 OHMS RESISTANCE; Style Designator: ROUND FLUSH MTG; Circuit Current for Which Designed: DC. 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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