PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

801Plug-in Unit,electrical-Electron

Electro Scientific Industries Inc · NSN 6625-00-168-0415 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-168-0415 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-168-0415. Primary manufacturer part number: 801.
Features
  • Plug-in Unit,electrical-Electron — FSC 6625
  • Unit Type: GENERATOR-DETECTOR
  • Reference Data and Literature: 1970/71 METROLOGY CATALOG FROM MFG
  • Supplementary Features: DC GENERATOR INFO-6 VARIABLE RANGES VARIABLE 0 TO 600 V; DC DETECTOR INFO-CALIBRATED PORM 3 MICROVOLT TO PORM 1000 VOLT DC END SCALE IN 18 ZERO-CENTERED RANGES; PORM 5 PCT OF END SCALE,PORM 0.1 MICROVOLT; POWER REQUIREMENTS-117 OR 230 V SELECTED BY INTERNAL SWITCH, 50 TO 400 HZ, 45 W V
  • Functional Description: SENSITIVE NULL DETECTOR AND FLEXIBLE DC SUPPLY, ACCURATE BRIDGE MEASUREMENTS AT ALL RESISTANCE LEVELS, CALIBRATING PRECISION VOLTAGE DIVIDERS, MEASURE LOW CONDUCTANCE
  • Unit Type: GENERATOR-DETECTOR
  • Reference Data and Literature: 1970/71 METROLOGY CATALOG FROM MFG
  • Supplementary Features: DC GENERATOR INFO-6 VARIABLE RANGES VARIABLE 0 TO 600 V; DC DETECTOR INFO-CALIBRATED PORM 3 MICROVOLT TO PORM 1000 VOLT DC END SCALE IN 18 ZERO-CENTERED RANGES; PORM 5 PCT OF END SCALE,PORM 0.1 MICROVOLT; POWER REQUIREMENTS-117 OR 230 V SELECTED BY INTERNAL SWITCH, 50 TO 400 HZ, 45 W V
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Plug-in Unit,electrical-Electron, cataloged under National Stock Number 6625-00-168-0415, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Electro Scientific Industries Inc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-00-168-0415
Primary Part Number801
Item NamePlug-in Unit,electrical-Electron
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerElectro Scientific Industries Inc
StatusACTIVE
Unit TypeGENERATOR-DETECTOR
Reference Data and Literature1970/71 METROLOGY CATALOG FROM MFG
Supplementary FeaturesDC GENERATOR INFO-6 VARIABLE RANGES VARIABLE 0 TO 600 V; DC DETECTOR INFO-CALIBRATED PORM 3 MICROVOLT TO PORM 1000 VOLT DC END SCALE IN 18 ZERO-CENTERED RANGES; PORM 5 PCT OF END SCALE,PORM 0.1 MICROVOLT; POWER REQUIREMENTS-117 OR 230 V SELECTED BY INTERNAL SWITCH, 50 TO 400 HZ, 45 W V
Functional DescriptionSENSITIVE NULL DETECTOR AND FLEXIBLE DC SUPPLY, ACCURATE BRIDGE MEASUREMENTS AT ALL RESISTANCE LEVELS, CALIBRATING PRECISION VOLTAGE DIVIDERS, MEASURE LOW CONDUCTANCE
Unit TypeGENERATOR-DETECTOR
Reference Data and Literature1970/71 METROLOGY CATALOG FROM MFG
Supplementary FeaturesDC GENERATOR INFO-6 VARIABLE RANGES VARIABLE 0 TO 600 V; DC DETECTOR INFO-CALIBRATED PORM 3 MICROVOLT TO PORM 1000 VOLT DC END SCALE IN 18 ZERO-CENTERED RANGES; PORM 5 PCT OF END SCALE,PORM 0.1 MICROVOLT; POWER REQUIREMENTS-117 OR 230 V SELECTED BY INTERNAL SWITCH, 50 TO 400 HZ, 45 W V
Functional DescriptionSENSITIVE NULL DETECTOR AND FLEXIBLE DC SUPPLY, ACCURATE BRIDGE MEASUREMENTS AT ALL RESISTANCE LEVELS, CALIBRATING PRECISION VOLTAGE DIVIDERS, MEASURE LOW CONDUCTANCE
Lifecycle & Compliance
Acquisition StatusACTIVE
Successor6625-00-465-6991 (801)
HAZMATNo
Shelf Life Code0
Criticality CodeS
Unit of IssueEA
SMR CodeVS
Weight20.0000 lbs
Cube3.3854 cu ft
Verified Substitutes 9
5999-00-018-6718712810-38 SUCCESSOR
Delay Line
Raytheon Company Div Rmd Strategic
6625-00-465-6991801 SUCCESSOR
Voltmeter
Fluke Corp
6625-00-753-2114ME-161/U SUCCESSOR
Voltmeter
Joint Electronics Type Designation System
Multimeter
6625-00-834-9359335893 SUCCESSOR
Multimeter
Lockheed Martin Corporation Div Rms - Mitchel Field
6625-00-915-13941120-0135 SUCCESSOR
Ammeter
Keysight Technologies Inc
5999-00-974-6702801 SUCCESSOR
Delay Line
Esc Control Electronics Llc Dba Control Electronics Division of Fil-Coil
Circuit Card Assembly
6625-01-682-0004801 SUCCESSOR
Meter,special Scale
North Atlantic Industries, Inc. Dba North Atlantic Industries
Cross-Reference Index
Part NumberManufacturer
801 Electro Scientific Industries Inc (USA)
801 PRIMARY Electro Scientific Industries Inc (USA)
Related Parts
SUCCESSOR 6625-00-465-6991 Voltmeter · 801
5999-00-018-6718SUCCESSOR
DELAY LINE
712810-38
6625-00-753-2114SUCCESSOR
VOLTMETER
ME-161/U
6625-00-788-8610SUCCESSOR
MULTIMETER
6625-00-834-9359SUCCESSOR
MULTIMETER
335893
6625-00-915-1394SUCCESSOR
AMMETER
1120-0135
5999-00-974-6702SUCCESSOR
DELAY LINE
801
5998-01-369-1898SUCCESSOR
CIRCUIT CARD ASSEMBLY
6625-01-682-0004SUCCESSOR
METER,SPECIAL SCALE
801

Frequently Asked Questions

What is NSN 6625-00-168-0415?

NSN 6625-00-168-0415 is a Plug-in Unit,electrical-Electron, manufactured by Electro Scientific Industries Inc, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-168-0415?

NSN 6625-00-168-0415 has 2 cross-referenced part numbers: 801 (Electro Scientific Industries Inc), 801 (Electro Scientific Industries Inc).

What NSN replaces 6625-00-168-0415?

There are 9 known substitutes for 6625-00-168-0415: 5999-00-018-6718, 6625-00-465-6991, 6625-00-753-2114 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 801?

Key specifications for 801: Overall Depth: 11.000 INCHES NOMINAL IN; End Item Identification: MODEL 721A 6625000051283 DC RATIO CALIBRATION SYSTEM A; Unit Type: GENERATOR-DETECTOR; Reference Data and Literature: 1970/71 METROLOGY CATALOG FROM MFG. 18 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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