PartsTable
Technical Data Sheet
54021 ✓ Verified by PartsTable
Exost · 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 RELAY,ELECTROMAGNETIC is a Exost industrial component. Key specifications include material: CERAMIC ENCLOSURE, overall_height: 0.635 INCHES MAXIMUM IN, overall_length: 0.900 INCHES NOMINAL IN, mounting_method: THREADED STUD(S), semiconductor_material: SILICON, end_item_identification: AN/FRN-43,45. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5895-01-253-5679, 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 54021
NSN: 5895-01-253-5679
FSC: 5895
CAGE: 30242 — AVTECHTYEE INC DBA AVTECH (USA)
SPECIFICATIONS
materialCERAMIC ENCLOSURE
overall_height0.635 INCHES MAXIMUM IN
overall_length0.900 INCHES NOMINAL IN
transfer_ratio20.0 MINIMUM STATIC FORWARD CURRENT TRANSFER RATIO, COMMON-EMITTER AND 120.0 MAXIMUM STATIC FORWARD CURRENT TRANSFER RATIO, COMMON-EMITTER
mounting_methodTHREADED STUD(S)
semiconductor_materialSILICON
end_item_identificationAN/FRN-43,45
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
mounting_facility_quantity1
terminal_type_and_quantity4 RIBBON
power_rating_per_characteristic5.3 WATTS MAXIMUM TOTAL POWER DISSIPATION
current_rating_per_characteristic300.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
NSN5895-01-253-5679
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: Exost RELAY,ELECTROMAGNETIC TITLE COMPONENT PN 54021 MFR Exost RELAY,ELECTROMAGNETIC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
54568Upgraded Successor
successor cross-reference
successor
741-0Upgraded Successor
successor cross-reference
successor
SS-DD-W/WPUpgraded Successor
successor cross-reference
successor
5402-1Interchangeable
interchangeable cross-reference
interchangeable
662085-003Interchangeable
interchangeable cross-reference
interchangeable
409515Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 54021?
54021 is a RELAY,ELECTROMAGNETIC manufactured by Exost. It is classified as a MRO (MRO_GENERAL).
What parts can replace 54021?
There are 6 known substitutes for 54021: 54568, 741-0, SS-DD-W/WP and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 54021?
54021 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5895-01-253-5679. This indicates validated use in U.S. government and defense supply chains.
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