PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5211Ammeter

Sigma Instruments Inc Shurite Instrument Div · NSN 6625-00-669-4578 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-669-4578 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-669-4578. Primary manufacturer part number: 5211.
Features
  • Ammeter — FSC 6625
  • Special Markings: DISCHARGE; CHARGE
  • Style Designator: ROUND FLUSH MTG
  • Material: STEEL
  • Meter Depth Behind Mounting Flange: 0.688 INCHES NOMINAL IN
  • Overall Diameter: 2.250 INCHES NOMINAL IN
  • Indicator Type: DIAL W/POINTER
  • Accuracy in Percent: -10.0 TO 10.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Applications
  • Applications requiring Steel construction
General Description

The Ammeter, cataloged under National Stock Number 6625-00-669-4578, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Sigma Instruments Inc Shurite Instrument Div. 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6625-00-669-4578
Primary Part Number5211
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerSigma Instruments Inc Shurite Instrument Div
StatusCANCELLED
Special MarkingsDISCHARGE; CHARGE
Style DesignatorROUND FLUSH MTG
MaterialSTEEL
Meter Depth Behind Mounting Flange0.688 INCHES NOMINAL IN
Overall Diameter2.250 INCHES NOMINAL IN
Indicator TypeDIAL W/POINTER
Accuracy in Percent-10.0 TO 10.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
FSC Application DataTEST SET,ELECTRONIC EQUIPMENT
Installation DesignPANEL
Dial Scale Marking ColorWHITE SINGLE INDICATOR SINGLE RANGE
Panel for Which DesignedMAGNETIC
Environmental ProtectionDUST RESISTANT
Nuclear Hardness Critical FeatureNONHARDENED
Meter Body Diameter Behind Mounting Flange2.000 INCHES NOMINAL IN
ColorUNABLE TO DECODE
Scale Division Quantity4 SINGLE INDICATOR SINGLE RANGE
Movement Suspension MethodJEWEL PIVOT BASE
Scale Graduation TypeLINEAR SINGLE INDICATOR SINGLE RANGE
Features ProvidedZERO ADJUSTER
Circuit Attachment Method and Quantity2 THREADED STUD
Dielectric Withstanding Voltage in Volts2000.0
Power SourceEXTERNAL
Mounting Facility Type and Quantity2 CLAMP
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Circuit Current for Which DesignedDC
Scale Selection MethodTERMINAL
Circuit Construction TypeNONELECTRONIC
Movement TypeMOVING COIL, PERMANENT MAGNET
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 9
No Item Name Available
6240-00-001-9405 INTERCHANGEABLE
Lamp,incandescent
5985-00-328-33194015C30 INTERCHANGEABLE
Coupler,directional
Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq
6145-01-406-91415211C INTERCHANGEABLE
Cable,special Purpose,electrical
Belden, Inc.
5998-01-415-17572810 INTERCHANGEABLE
Circuit Card Assembly
Pep Modular Computers Inc
8455-01-528-8590 INTERCHANGEABLE
Insignia,shoulder Sleeve
8455-01-654-1659 INTERCHANGEABLE
Insignia,shoulder Sleeve
8455-01-715-0724 INTERCHANGEABLE
Insignia,shoulder Sleeve
8455-01-715-0728 INTERCHANGEABLE
Insignia,shoulder Sleeve
Cross-Reference Index
Part NumberManufacturer
5211 Sigma Instruments Inc Shurite Instrument Div (USA)
A1431 Harsco Corp Bmy-Combat Systems Div (USA)
4015C30 Faria Beede Instruments, Inc. Dba Faria Beede Instruments Inc (USA)
Related Parts
6625-00-668-8130SUCCESSOR
NO ITEM NAME AVAILABLE
6240-00-001-9405INTERCHANGEABLE
LAMP,INCANDESCENT
5985-00-328-3319INTERCHANGEABLE
COUPLER,DIRECTIONAL
4015C30
6145-01-406-9141INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
5211C
5998-01-415-1757INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
2810
8455-01-528-8590INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
8455-01-654-1659INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
8455-01-715-0724INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE
8455-01-715-0728INTERCHANGEABLE
INSIGNIA,SHOULDER SLEEVE

Frequently Asked Questions

What is NSN 6625-00-669-4578?

NSN 6625-00-669-4578 is a Ammeter, manufactured by Sigma Instruments Inc Shurite Instrument Div, classified under FSC 6625 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6625-00-669-4578?

NSN 6625-00-669-4578 has 3 cross-referenced part numbers: 5211 (Sigma Instruments Inc Shurite Instrument Div), A1431 (Harsco Corp Bmy-Combat Systems Div), 4015C30 (Faria Beede Instruments, Inc. Dba Faria Beede Instruments Inc).

What NSN replaces 6625-00-669-4578?

There are 9 known substitutes for 6625-00-669-4578: 6625-00-668-8130, 6240-00-001-9405, 5985-00-328-3319 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 5211?

Key specifications for 5211: Special Markings: DISCHARGE; CHARGE; Style Designator: ROUND FLUSH MTG; Material: STEEL; Meter Depth Behind Mounting Flange: 0.688 INCHES NOMINAL IN. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6625-00-669-4578 still in active supply?

NSN 6625-00-669-4578 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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