PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

420Generator,signal

Simpson Electric Company, Inc. · NSN 6625-01-137-8377 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-01-137-8377 — this item is cataloged by the U.S. Government under National Stock Number 6625-01-137-8377. Primary manufacturer part number: 420.
Features
  • Generator,signal — FSC 6625
  • Frequency Rating: 50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM
  • Entry Date: 92-07-22
  • Output Impedance Rating: 600.0 OHMS NOMINAL
  • Frequency Band Quantity: 7
  • Voltage Rating: 120.0 VOLTS NOMINAL AND 220.0 VOLTS NOMINAL AND 240.0 VOLTS NOMINAL
  • Functional Classification: BB-1.1
  • Current Type: AC AND DC
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Generator,signal, cataloged under National Stock Number 6625-01-137-8377, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Simpson Electric Company, Inc.. Government technical data includes 20 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6625-01-137-8377
Primary Part Number420
Item NameGenerator,signal
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerSimpson Electric Company, Inc.
StatusACTIVE
Frequency Rating50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM
Entry Date92-07-22
Output Impedance Rating600.0 OHMS NOMINAL
Frequency Band Quantity7
Voltage Rating120.0 VOLTS NOMINAL AND 220.0 VOLTS NOMINAL AND 240.0 VOLTS NOMINAL
Functional ClassificationBB-1.1
Current TypeAC AND DC
Mounting TypePORTABLE
Frequency Range Rating+0.000 TO 100.000 KILOHERTZ
Usage DesignPROVIDES SINE,TRIANGLE,SQUARE,DC,AND TTL OUTPUT
Frequency Rating50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM
Entry Date92-07-22
Output Impedance Rating600.0 OHMS NOMINAL
Frequency Band Quantity7
Voltage Rating120.0 VOLTS NOMINAL AND 220.0 VOLTS NOMINAL AND 240.0 VOLTS NOMINAL
Functional ClassificationBB-1.1
Current TypeAC AND DC
Mounting TypePORTABLE
Frequency Range Rating+0.000 TO 100.000 KILOHERTZ
Usage DesignPROVIDES SINE,TRIANGLE,SQUARE,DC,AND TTL OUTPUT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeU
SMR CodeXU
Weight2.0000 lbs
Cube0.0833 cu ft
Verified Substitutes 6
6625-00-078-0403 INTERCHANGEABLE
Meter,special Scale
6625-00-580-1597PDB75362-126 INTERCHANGEABLE
Voltmeter
Eaton Corp Dba Eaton Aerospace Jackson
6625-00-866-1518420G INTERCHANGEABLE
Voltmeter
Triplett (bluffton) Corporation Dba Lfe Instruments
6625-00-899-806934605 INTERCHANGEABLE
Meter,special Scale
Cec Vibration Products, Llc Dba Cec Vibrations Products
6625-01-091-1159 INTERCHANGEABLE
Meter,special Scale
7025-01-527-2327420 INTERCHANGEABLE
Copier,digital
Xerox Corporation
Cross-Reference Index
Part NumberManufacturer
420 PRIMARY Simpson Electric Company, Inc. (USA)
Related Parts
6625-00-078-0403INTERCHANGEABLE
METER,SPECIAL SCALE
6625-00-580-1597INTERCHANGEABLE
VOLTMETER
PDB75362-126
6625-00-866-1518INTERCHANGEABLE
VOLTMETER
420G
6625-00-899-8069INTERCHANGEABLE
METER,SPECIAL SCALE
34605
6625-01-091-1159INTERCHANGEABLE
METER,SPECIAL SCALE
7025-01-527-2327INTERCHANGEABLE
COPIER,DIGITAL
420

Frequently Asked Questions

What is NSN 6625-01-137-8377?

NSN 6625-01-137-8377 is a Generator,signal, manufactured by Simpson Electric Company, Inc., classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-01-137-8377?

NSN 6625-01-137-8377 has 1 cross-referenced part number: 420 (Simpson Electric Company, Inc.).

What NSN replaces 6625-01-137-8377?

There are 6 known substitutes for 6625-01-137-8377: 6625-00-078-0403, 6625-00-580-1597, 6625-00-866-1518 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 420?

Key specifications for 420: Frequency Rating: 50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM; Overall Height: 2.700 INCHES NOMINAL IN; Entry Date: 92-07-22; Output Impedance Rating: 600.0 OHMS NOMINAL. 26 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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