PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4400A-LMeter,special Scale

Boonton Electronics Corporation Div Boonton Electronics · NSN 6625-01-476-6755 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-01-476-6755 — this item is cataloged by the U.S. Government under National Stock Number 6625-01-476-6755. Primary manufacturer part number: 4400A-L.
Features
  • Meter,special Scale — FSC 6625
  • Installation Design: RACK
  • Frequency Rating: 47.0 HERTZ MINIMUM AND 440.0 HERTZ MAXIMUM
  • Operating Voltage Rating in Volts: 90.0 AC MINIMUM AND 260.0 AC MAXIMUM
  • Circuit Current for Which Designed: AC
  • Style Designator: RECTANGULAR OR SQUARE
  • Indicator Type: CATHODE RAY TUBE
  • Installation Design: RACK
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Meter,special Scale, cataloged under National Stock Number 6625-01-476-6755, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Boonton Electronics Corporation Div Boonton Electronics. Government technical data includes 12 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN6625-01-476-6755
Primary Part Number4400A-L
Item NameMeter,special Scale
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerBoonton Electronics Corporation Div Boonton Electronics
StatusACTIVE
Installation DesignRACK
Frequency Rating47.0 HERTZ MINIMUM AND 440.0 HERTZ MAXIMUM
Operating Voltage Rating in Volts90.0 AC MINIMUM AND 260.0 AC MAXIMUM
Circuit Current for Which DesignedAC
Style DesignatorRECTANGULAR OR SQUARE
Indicator TypeCATHODE RAY TUBE
Installation DesignRACK
Frequency Rating47.0 HERTZ MINIMUM AND 440.0 HERTZ MAXIMUM
Operating Voltage Rating in Volts90.0 AC MINIMUM AND 260.0 AC MAXIMUM
Circuit Current for Which DesignedAC
Style DesignatorRECTANGULAR OR SQUARE
Indicator TypeCATHODE RAY TUBE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Shelf Life Code0
Criticality CodeG
Unit of IssueEA
SMR CodeCN
Verified Substitutes 4
5960-00-556-1759 INTERCHANGEABLE
Electron Tube
4940-00-586-09834175 INTERCHANGEABLE
Container,measuring
Little Giant Pump Co
6625-01-237-46944400A INTERCHANGEABLE
Generator,signal
Krohn-Hite Corp
5915-01-437-6552 INTERCHANGEABLE
Network,hybrid Circuit
Cross-Reference Index
Part NumberManufacturer
4400A Boonton Electronics Corporation Div Boonton Electronics (USA)
4400A-L PRIMARY Boonton Electronics Corporation Div Boonton Electronics (USA)
Related Parts
5960-00-556-1759INTERCHANGEABLE
ELECTRON TUBE
4940-00-586-0983INTERCHANGEABLE
CONTAINER,MEASURING
4175
6625-01-237-4694INTERCHANGEABLE
GENERATOR,SIGNAL
4400A
5915-01-437-6552INTERCHANGEABLE
NETWORK,HYBRID CIRCUIT

Frequently Asked Questions

What is NSN 6625-01-476-6755?

NSN 6625-01-476-6755 is a Meter,special Scale, manufactured by Boonton Electronics Corporation Div Boonton Electronics, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-01-476-6755?

NSN 6625-01-476-6755 has 2 cross-referenced part numbers: 4400A (Boonton Electronics Corporation Div Boonton Electronics), 4400A-L (Boonton Electronics Corporation Div Boonton Electronics).

What NSN replaces 6625-01-476-6755?

There are 4 known substitutes for 6625-01-476-6755: 5960-00-556-1759, 4940-00-586-0983, 6625-01-237-4694 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4400A-L?

Key specifications for 4400A-L: Overall Height: 17.250 INCHES NOMINAL IN; Installation Design: RACK; Frequency Rating: 47.0 HERTZ MINIMUM AND 440.0 HERTZ MAXIMUM; Operating Voltage Rating in Volts: 90.0 AC MINIMUM AND 260.0 AC MAXIMUM. 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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