PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FLA4520304AAmmeter

Jewell Instruments Llc · NSN 6625-00-539-8621 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-539-8621 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-539-8621. Primary manufacturer part number: FLA4520304A.
Features
  • Ammeter — FSC 6625
  • Color: UNABLE TO DECODE
  • Meter Depth Behind Mounting Flange: 1.313 INCHES NOMINAL IN
  • Meter Body Diameter Behind Mounting Flange: 2.250 INCHES NOMINAL IN
  • Accuracy in Percent: -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
  • Style Designator: RECTANGULAR FLUSH MTG
  • Dial Scale Marking Color: WHITE SINGLE INDICATOR SINGLE RANGE
  • Measurement Range: +0.0 TO 250.0 AMPERES, AC SINGLE INDICATOR SINGLE RANGE
Applications
  • Applications requiring Plastic construction
General Description

The Ammeter, cataloged under National Stock Number 6625-00-539-8621, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Jewell Instruments Llc. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-539-8621
Primary Part NumberFLA4520304A
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerJewell Instruments Llc
StatusACTIVE
ColorUNABLE TO DECODE
Meter Depth Behind Mounting Flange1.313 INCHES NOMINAL IN
Meter Body Diameter Behind Mounting Flange2.250 INCHES NOMINAL IN
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Style DesignatorRECTANGULAR FLUSH MTG
Dial Scale Marking ColorWHITE SINGLE INDICATOR SINGLE RANGE
Measurement Range+0.0 TO 250.0 AMPERES, AC SINGLE INDICATOR SINGLE RANGE
Center to Center Distance Between Mounting Facilities Parallel to Length1.856 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Width1.856 INCHES NOMINAL IN
Mounting Facility Type and Quantity4 UNTHREADED HOLE(S)
Mounting Hole Diameter0.219 INCHES NOMINAL IN
Mounting Arrangement StyleFOUR HOLE/STUD RECTANGULAR/SQUARE
Circuit Attachment Method and Quantity2 SOLDER STUD
Circuit Current for Which DesignedAC
MaterialPLASTIC
Installation DesignPANEL
ColorUNABLE TO DECODE
Meter Depth Behind Mounting Flange1.313 INCHES NOMINAL IN
Meter Body Diameter Behind Mounting Flange2.250 INCHES NOMINAL IN
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Style DesignatorRECTANGULAR FLUSH MTG
Dial Scale Marking ColorWHITE SINGLE INDICATOR SINGLE RANGE
Measurement Range+0.0 TO 250.0 AMPERES, AC SINGLE INDICATOR SINGLE RANGE
Center to Center Distance Between Mounting Facilities Parallel to Length1.856 INCHES NOMINAL IN
Center to Center Distance Between Mounting Facilities Parallel to Width1.856 INCHES NOMINAL IN
Mounting Facility Type and Quantity4 UNTHREADED HOLE(S)
Mounting Hole Diameter0.219 INCHES NOMINAL IN
Mounting Arrangement StyleFOUR HOLE/STUD RECTANGULAR/SQUARE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeN
Unit of IssueEA
SMR CodeJN
Weight0.1000 lbs
Cube0.0023 cu ft
Verified Substitutes 7
5905-00-116-8562 INTERCHANGEABLE
Resistor,fixed,composition
5330-00-118-65638955 INTERCHANGEABLE
Gasket
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
1660-00-325-15138955 INTERCHANGEABLE
Latch Assembly,o,yg
Avox Systems Inc Dba Avox Systems Inc
3020-00-557-75475577547 INTERCHANGEABLE
Gear,helical
U S Army Tank Automotive Command Amsta-Im-Mm
4030-00-641-3080 INTERCHANGEABLE
Band,wire Strand
5340-00-985-663316-00608-007 INTERCHANGEABLE
Clamp,loop
Raytheon Company
6110-01-432-3700 INTERCHANGEABLE
Contactor,magnetic
Cross-Reference Index
Part NumberManufacturer
8AW43AAA213 General Electric Company (USA)
8955 Simpson Electric Company, Inc. (USA)
FLA4520304A PRIMARY Jewell Instruments Llc (USA)
8AW433AAA213 General Electric Co Measurements and Industrial Products Division of Industrial Components and Materials Group (USA)
8AW433AAA213 General Electric Company (USA)
Related Parts
5905-00-116-8562INTERCHANGEABLE
RESISTOR,FIXED,COMPOSITION
5330-00-118-6563INTERCHANGEABLE
GASKET
8955
1660-00-325-1513INTERCHANGEABLE
LATCH ASSEMBLY,O,YG
8955
3020-00-557-7547INTERCHANGEABLE
GEAR,HELICAL
5577547
4030-00-641-3080INTERCHANGEABLE
BAND,WIRE STRAND
5340-00-985-6633INTERCHANGEABLE
CLAMP,LOOP
16-00608-007
6110-01-432-3700INTERCHANGEABLE
CONTACTOR,MAGNETIC

Frequently Asked Questions

What is NSN 6625-00-539-8621?

NSN 6625-00-539-8621 is a Ammeter, manufactured by Jewell Instruments Llc, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-539-8621?

NSN 6625-00-539-8621 has 5 cross-referenced part numbers: 8AW43AAA213 (General Electric Company), 8955 (Simpson Electric Company, Inc.), FLA4520304A (Jewell Instruments Llc), 8AW433AAA213 (General Electric Co Measurements and Industrial Products Division of Industrial Components and Materials Group), 8AW433AAA213 (General Electric Company).

What NSN replaces 6625-00-539-8621?

There are 7 known substitutes for 6625-00-539-8621: 5905-00-116-8562, 5330-00-118-6563, 1660-00-325-1513 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FLA4520304A?

Key specifications for FLA4520304A: Color: UNABLE TO DECODE; Meter Depth Behind Mounting Flange: 1.313 INCHES NOMINAL IN; Meter Body Diameter Behind Mounting Flange: 2.250 INCHES NOMINAL IN; Accuracy in Percent: -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE. 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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