PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

5211BCounter,electronic,digital Reado

Keysight Technologies Inc · NSN 6625-00-461-5935 · FSC 6625 · No Item Name Available
Verified by PartsTable
NSN 6625-00-461-5935 — this item is cataloged by the U.S. Government under National Stock Number 6625-00-461-5935. Primary manufacturer part number: 5211B.
Features
  • Counter,electronic,digital Reado — FSC 6625
  • Display Type: NEON COLUMNAR
  • Frequency Rating: 60.0 HERTZ NOMINAL
  • Wattage Rating in Watts: 25.0
  • Measurement Type: FREQUENCY AND RATIO
  • Inclosure Surface Treatment and Location: ENAMEL CASE
  • Frequency Range: +0.002 TO 300.000 KILOHERTZ MULTIPLE PERIOD AND +0.100 TO 300.000 KILOHERTZ MULTIPLE PERIOD
  • Solid State Feature: INCLUDED
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Counter,electronic,digital Reado, cataloged under National Stock Number 6625-00-461-5935, is classified within Federal Supply Class 6625 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Keysight Technologies Inc. Government technical data includes 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6625-00-461-5935
Primary Part Number5211B
Item NameCounter,electronic,digital Reado
FSC / FSG6625 / 66 — No Item Name Available
ManufacturerKeysight Technologies Inc
StatusACTIVE
Display TypeNEON COLUMNAR
Frequency Rating60.0 HERTZ NOMINAL
Wattage Rating in Watts25.0
Measurement TypeFREQUENCY AND RATIO
Inclosure Surface Treatment and LocationENAMEL CASE
Frequency Range+0.002 TO 300.000 KILOHERTZ MULTIPLE PERIOD AND +0.100 TO 300.000 KILOHERTZ MULTIPLE PERIOD
Solid State FeatureINCLUDED
Remote Control ProvisionsNOT INCLUDED
Inclosure Material and LocationALUMINUM CASE
Gate Time10.0 SECONDS NOMINAL AND 1.0 SECONDS NOMINAL AND 0.1 SECONDS NOMINAL
Accessory Component NameRACK ADAPTER KIT W/BOARD EXTENDER DETACHABLE POWER CABLE CORD W/MALE BNC CONNECTORS
Plug-in Units ProvisionINCLUDED
Sensitivity RatingF1 INPUT 0.1V RMS F2 INPUT 0.1V RMS INTO 1000 OHMS V
Display Units IndicatorINCLUDED
Internal Calibration FeatureNOT INCLUDED
Ratio DisplayF1/F2
Mounting MethodRACK
Accessory Identifying NumberH+5212A44A PART NO. AND H+10503A PART NO. A
Display Storage FacilityINCLUDED
PhaseSINGLE
Accuracy RatingPORM 1 COUNT,PORM TIME BASE PORM 1 COUNT OF F1,PORM TRIGGER ERROR OF F2
Display Digit Quantity4
Accessory Component Quantity2
Electrical Connection TypeBNC
Current TypeAC
Voltage Rating115.0 VOLTS NOMINAL OR 230.0 VOLTS NOMINAL
Standard Frequency Output FeatureNOT INCLUDED
Accessory Controlling AgencyHEWLETT-PACKARD CO HEWLETT-PACKARD CO
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Weight30.0000 lbs
Cube5.3390 cu ft
Verified Substitutes 1
5975-00-959-36065206W0 INTERCHANGEABLE
Plate,wall,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
Cross-Reference Index
Part NumberManufacturer
7637539P1 Lockheed Martin Corp Naval Electronics & Surveillance Systems (USA)
5211B PRIMARY Keysight Technologies Inc (USA)
5211B Hewlett-Packard Company Dba HP (USA)
5211B Keysight Technologies, Inc. (USA)
Related Parts
5975-00-959-3606INTERCHANGEABLE
PLATE,WALL,ELECTRICAL
5206W0

Frequently Asked Questions

What is NSN 6625-00-461-5935?

NSN 6625-00-461-5935 is a Counter,electronic,digital Reado, manufactured by Keysight Technologies Inc, classified under FSC 6625 (No Item Name Available). Status: active.

What are the part numbers for NSN 6625-00-461-5935?

NSN 6625-00-461-5935 has 4 cross-referenced part numbers: 7637539P1 (Lockheed Martin Corp Naval Electronics & Surveillance Systems), 5211B (Keysight Technologies Inc), 5211B (Hewlett-Packard Company Dba HP), 5211B (Keysight Technologies, Inc.).

What NSN replaces 6625-00-461-5935?

There is 1 known substitute for 6625-00-461-5935: 5975-00-959-3606. Verify interchangeability with system specifications before substitution.

What are the specifications of 5211B?

Key specifications for 5211B: Display Type: NEON COLUMNAR; Overall Height: 3.500 INCHES NOMINAL IN; Frequency Rating: 60.0 HERTZ NOMINAL; Wattage Rating in Watts: 25.0. 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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