PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

IG72Generator,signal

Heathkit Co Inc Dba Heathkit Educational Systems · NSN 6625-00-172-6634 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-172-6634 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-172-6634. Primary manufacturer part number: IG72.
Features
  • Generator,signal — FSC 6625
  • Frequency Range Rating: +0.100 TO 100.000 KILOHERTZ
  • Output Impedance Rating: 600.0 OHMS NOMINAL
  • Phase: SINGLE
  • Frequency Rating: 50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM
  • Phase: SINGLE
  • Current Type: AC
  • Frequency Range Rating: +0.100 TO 100.000 KILOHERTZ
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Generator,signal, cataloged under National Stock Number 6625-00-172-6634, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Heathkit Co Inc Dba Heathkit Educational Systems. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, 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
NSN6625-00-172-6634
Primary Part NumberIG72
Item NameGenerator,signal
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerHeathkit Co Inc Dba Heathkit Educational Systems
StatusACTIVE
Frequency Range Rating+0.100 TO 100.000 KILOHERTZ
Output Impedance Rating600.0 OHMS NOMINAL
PhaseSINGLE
Frequency Rating50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM
PhaseSINGLE
Current TypeAC
Frequency Range Rating+0.100 TO 100.000 KILOHERTZ
Output Impedance Rating600.0 OHMS NOMINAL
Voltage Rating105.0 VOLTS MINIMUM AND 125.0 VOLTS MAXIMUM
Frequency Rating50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM
Current TypeAC
Voltage Rating105.0 VOLTS MINIMUM AND 125.0 VOLTS MAXIMUM
Mounting TypePORTABLE
Frequency Range Rating+0.100 TO 100.000 KILOHERTZ
Output Impedance Rating600.0 OHMS NOMINAL
PhaseSINGLE
Frequency Rating50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM
PhaseSINGLE
Current TypeAC
Frequency Range Rating+0.100 TO 100.000 KILOHERTZ
Output Impedance Rating600.0 OHMS NOMINAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
6680-00-828-9717132-001-0002 INTERCHANGEABLE
Generator,tachometer
Northrop Grumman Systems Corporation
2920-00-900-2923398 INTERCHANGEABLE
Spark Plug
Allied-Signal Inc Autolite Div
2920-01-040-0308 INTERCHANGEABLE
Glow Plug
Cross-Reference Index
Part NumberManufacturer
AG9 Heathkit Co Inc Dba Heathkit Educational Systems (USA)
IG72 PRIMARY Heathkit Co Inc Dba Heathkit Educational Systems (USA)
AG9A Heathkit Co Inc Dba Heathkit Educational Systems (USA)
Related Parts
6680-00-828-9717INTERCHANGEABLE
GENERATOR,TACHOMETER
132-001-0002
2920-00-900-2923INTERCHANGEABLE
SPARK PLUG
398
2920-01-040-0308INTERCHANGEABLE
GLOW PLUG

Frequently Asked Questions

What is NSN 6625-00-172-6634?

NSN 6625-00-172-6634 is a Generator,signal, manufactured by Heathkit Co Inc Dba Heathkit Educational Systems, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-172-6634?

NSN 6625-00-172-6634 has 3 cross-referenced part numbers: AG9 (Heathkit Co Inc Dba Heathkit Educational Systems), IG72 (Heathkit Co Inc Dba Heathkit Educational Systems), AG9A (Heathkit Co Inc Dba Heathkit Educational Systems).

What NSN replaces 6625-00-172-6634?

There are 3 known substitutes for 6625-00-172-6634: 6680-00-828-9717, 2920-00-900-2923, 2920-01-040-0308. Verify interchangeability with system specifications before substitution.

What are the specifications of IG72?

Key specifications for IG72: Overall Width: 5.000 INCHES NOMINAL IN; Frequency Range Rating: +0.100 TO 100.000 KILOHERTZ; Output Impedance Rating: 600.0 OHMS NOMINAL; Phase: SINGLE. 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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