PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

503-10Ammeter

Jewell Instruments Llc · NSN 6625-00-837-3829 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-837-3829 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-837-3829. Primary manufacturer part number: 503-10.
Features
  • Ammeter — FSC 6625
  • Circuit Current for Which Designed: DC
  • Measurement Range: +0.0 TO 75.0 AMPERES, DC SINGLE INDICATOR SINGLE RANGE
  • Circuit Attachment Method and Quantity: 2 BINDING POST
  • Indicator Type: DIAL W/POINTER
  • Dial Scale Marking Color: BLACK SINGLE INDICATOR SINGLE RANGE
  • Meter Body Diameter Behind Mounting Flange: 2.800 INCHES NOMINAL IN
  • Panel for Which Designed: NONMAGNETIC
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Ammeter, cataloged under National Stock Number 6625-00-837-3829, 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 29 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6625-00-837-3829
Primary Part Number503-10
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerJewell Instruments Llc
StatusACTIVE
Circuit Current for Which DesignedDC
Measurement Range+0.0 TO 75.0 AMPERES, DC SINGLE INDICATOR SINGLE RANGE
Circuit Attachment Method and Quantity2 BINDING POST
Indicator TypeDIAL W/POINTER
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Meter Body Diameter Behind Mounting Flange2.800 INCHES NOMINAL IN
Panel for Which DesignedNONMAGNETIC
Movement TypeMOVING MAGNET
Special MarkingsRED LINE AT 50 AMPS
Nuclear Hardness Critical FeatureNONHARDENED
Style DesignatorROUND FLUSH MTG
ColorUNABLE TO DECODE
Scale Division Quantity75 SINGLE INDICATOR SINGLE RANGE
Mounting Facility Type and Quantity3 SCREW
Circuit Construction TypeELECTRONIC, SOLID STATE
Meter Depth Behind Mounting Flange1.250 INCHES NOMINAL IN
Installation DesignPANEL
Overall Diameter3.500 INCHES NOMINAL IN
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Scale Graduation TypeLINEAR SINGLE INDICATOR SINGLE RANGE
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Circuit Current for Which DesignedDC
Measurement Range+0.0 TO 75.0 AMPERES, DC SINGLE INDICATOR SINGLE RANGE
Circuit Attachment Method and Quantity2 BINDING POST
Indicator TypeDIAL W/POINTER
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Meter Body Diameter Behind Mounting Flange2.800 INCHES NOMINAL IN
Panel for Which DesignedNONMAGNETIC
Movement TypeMOVING MAGNET
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Weight0.6300 lbs
Cube0.0959 cu ft
Verified Substitutes 12
3110-00-227-2981MS24466-10 INTERCHANGEABLE
Bearing,roller,needle
Sae International Dba Sae International
9540-00-288-3735 INTERCHANGEABLE
Angle,structural
5355-00-474-422150310 INTERCHANGEABLE
Knob
John Deer Consumer Products Inc
5950-00-482-962210034592-101 INTERCHANGEABLE
Transformer,power
Honeywell International Inc. Dba Honeywell International Div Aerospace-Minneapolis
4730-01-011-411150310 INTERCHANGEABLE
Sleeve,compression,tube-Hose Fit
Parker-Hannifin Corporation Div Stratoflex Products Division Coupling Business Unit
5140-01-019-08025140-01-019-0802 INTERCHANGEABLE
Cabinet,tool,mobile
General Services Administration Federal Supply Service
1560-01-075-170650310 INTERCHANGEABLE
Cap and Adapter Assembly
Mission Systems Davenport Inc.
5331-01-126-4763 INTERCHANGEABLE
O-Ring
4730-01-264-4791010-0440-00-0 INTERCHANGEABLE
Strainer,sediment
Hale Products, Inc.
4320-01-422-571350-310 INTERCHANGEABLE
Cover,hydraulic,pump-Motor
Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
Cross-Reference Index
Part NumberManufacturer
503-10 PRIMARY Jewell Instruments Llc (USA)
65B42521 Sacramento Air Logistics Center Sm-Alc/liil (USA)
STC521 Stewart & Stevenson Power Products Llc (USA)
AED3N30837 PRIMARY Jewell Instruments Llc (USA)
Related Parts
3110-00-227-2981INTERCHANGEABLE
BEARING,ROLLER,NEEDLE
MS24466-10
9540-00-288-3735INTERCHANGEABLE
ANGLE,STRUCTURAL
5355-00-474-4221INTERCHANGEABLE
KNOB
50310
5950-00-482-9622INTERCHANGEABLE
TRANSFORMER,POWER
10034592-101
4730-01-011-4111INTERCHANGEABLE
SLEEVE,COMPRESSION,TUBE-HOSE FIT
50310
5140-01-019-0802INTERCHANGEABLE
CABINET,TOOL,MOBILE
5140-01-019-0802
1560-01-075-1706INTERCHANGEABLE
CAP AND ADAPTER ASSEMBLY
50310
5331-01-126-4763INTERCHANGEABLE
O-RING
4730-01-264-4791INTERCHANGEABLE
STRAINER,SEDIMENT
010-0440-00-0
4320-01-422-5713INTERCHANGEABLE
COVER,HYDRAULIC,PUMP-MOTOR
50-310
6150-01-540-9552INTERCHANGEABLE
WIRING HARNESS
50310
6120-01-669-8999INTERCHANGEABLE
TRANSFORMER,POWER
50310

Frequently Asked Questions

What is NSN 6625-00-837-3829?

NSN 6625-00-837-3829 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 6625-00-837-3829?

NSN 6625-00-837-3829 has 4 cross-referenced part numbers: 503-10 (Jewell Instruments Llc), 65B42521 (Sacramento Air Logistics Center Sm-Alc/liil), STC521 (Stewart & Stevenson Power Products Llc), AED3N30837 (Jewell Instruments Llc).

What NSN replaces 6625-00-837-3829?

There are 12 known substitutes for 6625-00-837-3829: 3110-00-227-2981, 9540-00-288-3735, 5355-00-474-4221 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 503-10?

Key specifications for 503-10: Circuit Current for Which Designed: DC; Measurement Range: +0.0 TO 75.0 AMPERES, DC SINGLE INDICATOR SINGLE RANGE; Circuit Attachment Method and Quantity: 2 BINDING POST; Indicator Type: DIAL W/POINTER. 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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