PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

414SAmmeter

Keithley Instruments, Llc · NSN 6625-00-377-6882 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-377-6882 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-377-6882. Primary manufacturer part number: 414S.
Features
  • Ammeter — FSC 6625
  • Power Source: EXTERNAL
  • Phase: SINGLE
  • Style Designator: RECTANGULAR SURFACE MTG
  • Installation Design: BENCH
  • Circuit Current for Which Designed: AC
  • Frequency Rating: 50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM
  • Power Source: EXTERNAL
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Ammeter, cataloged under National Stock Number 6625-00-377-6882, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Keithley Instruments, Llc. Government technical data includes 12 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6625-00-377-6882
Primary Part Number414S
Item NameAmmeter
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerKeithley Instruments, Llc
StatusACTIVE
Power SourceEXTERNAL
PhaseSINGLE
Style DesignatorRECTANGULAR SURFACE MTG
Installation DesignBENCH
Circuit Current for Which DesignedAC
Frequency Rating50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM
Power SourceEXTERNAL
PhaseSINGLE
Style DesignatorRECTANGULAR SURFACE MTG
Installation DesignBENCH
Circuit Current for Which DesignedAC
Frequency Rating50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3110-00-144-8569177002-65 INTERCHANGEABLE
Bearing,ball,annular
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
Cross-Reference Index
Part NumberManufacturer
414S Keithley Instruments, Llc (USA)
Related Parts
3110-00-144-8569INTERCHANGEABLE
BEARING,BALL,ANNULAR
177002-65

Frequently Asked Questions

What is NSN 6625-00-377-6882?

NSN 6625-00-377-6882 is a Ammeter, manufactured by Keithley Instruments, Llc, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-377-6882?

NSN 6625-00-377-6882 has 1 cross-referenced part number: 414S (Keithley Instruments, Llc).

What NSN replaces 6625-00-377-6882?

There is 1 known substitute for 6625-00-377-6882: 3110-00-144-8569. Verify interchangeability with system specifications before substitution.

What are the specifications of 414S?

Key specifications for 414S: Power Source: EXTERNAL; Overall Length: 10.000 INCHES NOMINAL IN; Special Features: 10 MILLIAMP TO 100 PICOAMP IN 17 RANGES,PORM 2.0 PCT ACCURACY ALL RANGEES EXCEPT PORM 4.0 PCT FOR 2 HIGHEST RANGES;CURRENT SUPPRESSION FEATURE INCLUDED;RECORDER OUTPUT INCLUDED;105 TO 125 V OR 210 TO 250 V;MATING INPUT AND OUTPUT CONNECTORS FURNISHED V; Phase: SINGLE. 20 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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