PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

266-118Ammeter

Jewell Instruments Llc · NSN 6625-00-555-2250 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-555-2250 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-555-2250. Primary manufacturer part number: 266-118.
Features
  • Ammeter — FSC 6625
  • Meter Depth Behind Mounting Flange: 1.750 INCHES MAXIMUM IN
  • Color: UNABLE TO DECODE
  • Movement Type: MOVING IRON VANE
  • Accuracy in Percent: -2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
  • Features Provided: MAGNETIC SHIELD
  • Meter Body Diameter Behind Mounting Flange: 2.210 INCHES MAXIMUM IN
  • Circuit Attachment Method and Quantity: 2 SOLDERLESS LUG
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Ammeter, cataloged under National Stock Number 6625-00-555-2250, 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 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6625-00-555-2250
Primary Part Number266-118
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerJewell Instruments Llc
StatusACTIVE
Meter Depth Behind Mounting Flange1.750 INCHES MAXIMUM IN
ColorUNABLE TO DECODE
Movement TypeMOVING IRON VANE
Accuracy in Percent-2.0 TO 2.0 AT FULL SCALE SINGLE INDICATOR SINGLE RANGE
Features ProvidedMAGNETIC SHIELD
Meter Body Diameter Behind Mounting Flange2.210 INCHES MAXIMUM IN
Circuit Attachment Method and Quantity2 SOLDERLESS LUG
Nuclear Hardness Critical FeatureNONHARDENED
Installation DesignPANEL
Circuit Current for Which DesignedAC
Style DesignatorROUND FLUSH MTG
Panel for Which DesignedMAGNETIC
Dial Scale Marking ColorBLACK SINGLE INDICATOR SINGLE RANGE
Movement Suspension MethodTAUT BAND
Mounting Facility Type and Quantity3 THREADED STUD(S)
Indicator TypeDIAL W/POINTER
Mounting Stud Length0.500 INCHES NOMINAL IN
Furnished Items and QuantityNUT 3,WASHER 3
Dielectric Withstanding Voltage in Volts3000.0
Pointer ColorBLACK SINGLE INDICATOR SINGLE RANGE
Mounting Bolt Circle Diameter2.440 INCHES NOMINAL IN
Measurement Range+0.0 TO 600.0 AMPERES, AC SINGLE INDICATOR SINGLE RANGE
Circuit Construction TypeNONELECTRONIC
Overall Diameter2.695 INCHES MAXIMUM IN
Mounting Stud Diameter0.125 INCHES NOMINAL IN
Power SourceEXTERNAL
Mounting Arrangement StyleTHREE HOLE/STUD BOLT CIRCLE
FSC Application DataTEST SET,ELECT. EQUIP.
Meter Depth Behind Mounting Flange1.750 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Weight1.0000 lbs
Cube0.0370 cu ft
Verified Substitutes 3
6625-00-816-5356478-0060-00 INTERCHANGEABLE
Voltmeter
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
6625-00-819-82271464 INTERCHANGEABLE
Ammeter
Jewell Instruments Llc
6625-00-896-35822116001 INTERCHANGEABLE
Voltmeter
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Cross-Reference Index
Part NumberManufacturer
1524 Solartron Electronics Inc Weston Instruments Div (USA)
266-118 PRIMARY Jewell Instruments Llc (USA)
Related Parts
6625-00-816-5356INTERCHANGEABLE
VOLTMETER
478-0060-00
6625-00-819-8227INTERCHANGEABLE
AMMETER
1464
6625-00-896-3582INTERCHANGEABLE
VOLTMETER
2116001

Frequently Asked Questions

What is NSN 6625-00-555-2250?

NSN 6625-00-555-2250 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 6625-00-555-2250?

NSN 6625-00-555-2250 has 2 cross-referenced part numbers: 1524 (Solartron Electronics Inc Weston Instruments Div), 266-118 (Jewell Instruments Llc).

What NSN replaces 6625-00-555-2250?

There are 3 known substitutes for 6625-00-555-2250: 6625-00-816-5356, 6625-00-819-8227, 6625-00-896-3582. Verify interchangeability with system specifications before substitution.

What are the specifications of 266-118?

Key specifications for 266-118: Meter Depth Behind Mounting Flange: 1.750 INCHES MAXIMUM IN; Color: UNABLE TO DECODE; Movement Type: MOVING IRON VANE; 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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