PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

51899Meter,multiple Scale

L3harris Technologies, Inc Div Space & Airborne Systems · NSN 6625-00-810-3950 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-810-3950 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-810-3950. Primary manufacturer part number: 51899.
Features
  • Meter,multiple Scale — FSC 6625
  • Movement Suspension Method: JEWEL PIVOT BASE
  • Scale Graduation Type: LINEAR SINGLE INDICATOR ALL RANGES
  • Mounting Hole Diameter: 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
  • Circuit Attachment Method and Quantity: 2 SOLDER LUG AND 2 THREADED STUD
  • Measurement Range: +0.0 TO 1.0 MILLIAMPS SINGLE INDICATOR FIRST RANGE
  • Surface Treatment: ENAMEL SEMIGLOSS
  • Mounting Facility Type and Quantity: 3 SCREW AND 3 UNTHREADED HOLE(S)
Applications
  • Applications requiring Steel construction
General Description

The Meter,multiple Scale, cataloged under National Stock Number 6625-00-810-3950, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is L3harris Technologies, Inc Div Space & Airborne Systems. Government technical data includes 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-810-3950
Primary Part Number51899
Item NameMeter,multiple Scale
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerL3harris Technologies, Inc Div Space & Airborne Systems
StatusCANCELLED
Movement Suspension MethodJEWEL PIVOT BASE
Scale Graduation TypeLINEAR SINGLE INDICATOR ALL RANGES
Mounting Hole Diameter0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN
Circuit Attachment Method and Quantity2 SOLDER LUG AND 2 THREADED STUD
Measurement Range+0.0 TO 1.0 MILLIAMPS SINGLE INDICATOR FIRST RANGE
Surface TreatmentENAMEL SEMIGLOSS
Mounting Facility Type and Quantity3 SCREW AND 3 UNTHREADED HOLE(S)
Special MarkingsCRYSTAL CURRENT MA ABOVE SCALE,REFLECTOR VOLTAGE-VOLTS BELOW SCALE
FSC Application DataTEST SET,ELECT. EQUIP.
Radioactive ContentCONTAINS RADIOACTIVE MATERIAL
Pointer ColorGREEN, APPLE, PHOSPHORESCENT SINGLE INDICATOR ALL RANGES
Style DesignatorROUND FLUSH MTG
Special Test FeaturesCONFORMS TO MIL-M-10304/5,TYPE MR26S001DCMA
Supplementary FeaturesCOIL RESISTANCE SHALL BE 100 OHMS PLUS OR MINUS 5 PERCENT AT 20 DEGREES CENTIGRADE
MaterialSTEEL
ColorUNABLE TO DECODE
Nuclear Hardness Critical FeatureNONHARDENED
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR ALL RANGES
Meter Depth Behind Mounting Flange1.600 INCHES MAXIMUM IN
Sensitivity Rating1.0 MILLIAMPERES
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
Features ProvidedZERO ADJUSTER
Meter Body Diameter Behind Mounting Flange2.210 INCHES MAXIMUM IN
Installation DesignPANEL
Dielectric Withstanding Voltage in Volts3000.0
Indicator TypeDIAL W/POINTER
Furnished Items and QuantityMTG HDW 3; TERM. HDW 2
Mounting Bolt Circle Diameter2.440 INCHES NOMINAL IN
Environmental ProtectionSHOCK RESISTANT AND VIBRATION RESISTANT AND WATER RESISTANT
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeJN
Verified Substitutes 3
No Item Name Available
5360-01-067-9762 INTERCHANGEABLE
Spring,helical,compression
7220-01-101-122251899 INTERCHANGEABLE
Tile,vinyl Resin
Astra Flooring Co
Cross-Reference Index
Part NumberManufacturer
51899 PRIMARY L3harris Technologies, Inc Div Space & Airborne Systems (USA)
Related Parts
6625-00-539-9497SUCCESSOR
NO ITEM NAME AVAILABLE
5360-01-067-9762INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
7220-01-101-1222INTERCHANGEABLE
TILE,VINYL RESIN
51899

Frequently Asked Questions

What is NSN 6625-00-810-3950?

NSN 6625-00-810-3950 is a Meter,multiple Scale, manufactured by L3harris Technologies, Inc Div Space & Airborne Systems, classified under FSC 6625 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6625-00-810-3950?

NSN 6625-00-810-3950 has 1 cross-referenced part number: 51899 (L3harris Technologies, Inc Div Space & Airborne Systems).

What NSN replaces 6625-00-810-3950?

There are 3 known substitutes for 6625-00-810-3950: 6625-00-539-9497, 5360-01-067-9762, 7220-01-101-1222. Verify interchangeability with system specifications before substitution.

What are the specifications of 51899?

Key specifications for 51899: Movement Suspension Method: JEWEL PIVOT BASE; Scale Graduation Type: LINEAR SINGLE INDICATOR ALL RANGES; Mounting Hole Diameter: 0.120 INCHES MINIMUM AND 0.130 INCHES MAXIMUM IN; Circuit Attachment Method and Quantity: 2 SOLDER LUG AND 2 THREADED STUD. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6625-00-810-3950 still in active supply?

NSN 6625-00-810-3950 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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