PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4400AGenerator,signal

Krohn-Hite Corp · NSN 6625-01-237-4694 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-01-237-4694 — this item is cataloged by the U.S. Government under National Stock Number 6625-01-237-4694. Primary manufacturer part number: 4400A.
Features
  • Generator,signal — FSC 6625
  • Current Type: AC
  • Output Impedance Rating: 50.0 OHMS NOMINAL
  • Phase: SINGLE
  • Frequency Range Rating: +1.000 TO 110.000 HERTZ
  • Voltage Rating: 90.0 VOLTS MINIMUM AND 132.0 VOLTS MAXIMUM
  • Frequency Rating: 50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM
  • Current Type: AC
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Generator,signal, cataloged under National Stock Number 6625-01-237-4694, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Krohn-Hite Corp. 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6625-01-237-4694
Primary Part Number4400A
Item NameGenerator,signal
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerKrohn-Hite Corp
StatusACTIVE
Current TypeAC
Output Impedance Rating50.0 OHMS NOMINAL
PhaseSINGLE
Frequency Range Rating+1.000 TO 110.000 HERTZ
Voltage Rating90.0 VOLTS MINIMUM AND 132.0 VOLTS MAXIMUM
Frequency Rating50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM
Current TypeAC
Output Impedance Rating50.0 OHMS NOMINAL
PhaseSINGLE
Frequency Range Rating+1.000 TO 110.000 HERTZ
Voltage Rating90.0 VOLTS MINIMUM AND 132.0 VOLTS MAXIMUM
Frequency Rating50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Weight10.0000 lbs
Cube1.0497 cu ft
Verified Substitutes 4
5960-00-556-1759 INTERCHANGEABLE
Electron Tube
4940-00-586-09834175 INTERCHANGEABLE
Container,measuring
Little Giant Pump Co
5915-01-437-6552 INTERCHANGEABLE
Network,hybrid Circuit
6625-01-476-67554400A-L INTERCHANGEABLE
Meter,special Scale
Boonton Electronics Corporation Div Boonton Electronics
Cross-Reference Index
Part NumberManufacturer
4400A PRIMARY Krohn-Hite Corp (USA)
Related Parts
5960-00-556-1759INTERCHANGEABLE
ELECTRON TUBE
4940-00-586-0983INTERCHANGEABLE
CONTAINER,MEASURING
4175
5915-01-437-6552INTERCHANGEABLE
NETWORK,HYBRID CIRCUIT
6625-01-476-6755INTERCHANGEABLE
METER,SPECIAL SCALE
4400A-L

Frequently Asked Questions

What is NSN 6625-01-237-4694?

NSN 6625-01-237-4694 is a Generator,signal, manufactured by Krohn-Hite Corp, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-01-237-4694?

NSN 6625-01-237-4694 has 1 cross-referenced part number: 4400A (Krohn-Hite Corp).

What NSN replaces 6625-01-237-4694?

There are 4 known substitutes for 6625-01-237-4694: 5960-00-556-1759, 4940-00-586-0983, 5915-01-437-6552 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4400A?

Key specifications for 4400A: Current Type: AC; Output Impedance Rating: 50.0 OHMS NOMINAL; Phase: SINGLE; Frequency Range Rating: +1.000 TO 110.000 HERTZ. 14 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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