PartsTable
Technical Data Sheet
4390 ✓ Verified by PartsTable
· MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The MICROCIRCUIT,DIGITAL is a the manufacturer industrial component. Key specifications include end_item_identification: LAUNCH AND TEST RANGE SYSTEM, part_name_assigned_by_controlling_agency: POWER SUPPLY 90VAC-240VAC VAC. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-657-3635, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
MRO MRO_GENERAL 4390
NSN: 6625-00-657-3635
FSC: 6625
CAGE: 31922 — LEEDS AND NORTHRUP CO A UNIT OF GENERAL SIGNAL CORP (USA)
SPECIFICATIONS
end_item_identificationLAUNCH AND TEST RANGE SYSTEM
part_name_assigned_by_controlling_agencyPOWER SUPPLY 90VAC-240VAC VAC
NSN6625-00-657-3635
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MICROCIRCUIT,DIGITAL TITLE COMPONENT PN 4390 MFR MICROCIRCUIT,DIGITAL
KEY FEATURES
SWITCH TYPE: ROTARY
CURRENT RATING AND TYPE: 750.0 MILLIAMPERES MINIMUM DC AND 15000.0 MILLIAMPERES MAXIMUM DC
USAGE DESIGN: PORTABLE
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESTOTAL RESISTANCE 2.0 OHMS; OUTPUT VOLTAGE 150.0 MV; LIMIT OF ERROR PORM 0.02 PCT AT 25 C; CASE METAL WITH VINYL COVER; WT 4 LBS; FOR USE WITH L AND N TYPE K POTENTIOMETERS IN THE PRECISE MEASUREMENT OF D-C CURRENTS AND IN THE CALIBRATION OF D-C AMMETERS AND WATTMETERS; HIGH-QUALITY ENCLOSED SILVER-ALLOY SWITCHES LBS
SWITCH TYPEROTARY
CURRENT RATING AND TYPE750.0 MILLIAMPERES MINIMUM DC AND 15000.0 MILLIAMPERES MAXIMUM DC
OVERALL WIDTH6.500 INCHES NOMINAL IN
OVERALL HEIGHT5.500 INCHES NOMINAL IN
OVERALL LENGTH6.875 INCHES NOMINAL IN
USAGE DESIGNPORTABLE
SPECIAL FEATURESTOTAL RESISTANCE 2.0 OHMS; OUTPUT VOLTAGE 150.0 MV; LIMIT OF ERROR PORM 0.02 PCT AT 25 C; CASE METAL WITH VINYL COVER; WT 4 LBS; FOR USE WITH L AND N TYPE K POTENTIOMETERS IN THE PRECISE MEASUREMENT OF D-C CURRENTS AND IN THE CALIBRATION OF D-C AMMETERS AND WATTMETERS; HIGH-QUALITY ENCLOSED SILVER-ALLOY SWITCHES LBS
SWITCH TYPEROTARY
CURRENT RATING AND TYPE750.0 MILLIAMPERES MINIMUM DC AND 15000.0 MILLIAMPERES MAXIMUM DC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
275-8Interchangeable
interchangeable cross-reference
interchangeable
438-5Interchangeable
interchangeable cross-reference
interchangeable
S-1490Interchangeable
interchangeable cross-reference
interchangeable
849546-13Interchangeable
interchangeable cross-reference
interchangeable
4912568Interchangeable
interchangeable cross-reference
interchangeable
5325002496345Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4390?
4390 is a MICROCIRCUIT,DIGITAL. It is classified as a MRO (MRO_GENERAL).
What parts can replace 4390?
There are 17 known substitutes for 4390: 275-8, 438-5, S-1490 and 14 more. Substitute compatibility should be verified for your specific system.
Is 4390 still available?
4390 is currently cancelled.
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