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Technical Data Sheet
445-0257-004 ✓ Verified by PartsTable
· COMPONENT
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 REACTOR is a the manufacturer industrial component. Key specifications include shape: CYLINDRICAL, material: RUBBER, physical_form: LYOPHILIZED, overall_length: 0.115 INCHES MAXIMUM IN, connection_type: TUBE THROUGH CENTER, mounting_method: TERMINAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-488-7021, 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
445-0257-004
NSN: 5950-00-488-7021
FSC: 5950
CAGE: 94756 — THE BOEING COMPANY DIV LEGACY BOEING HB1 (USA)
SPECIFICATIONS
shapeCYLINDRICAL
materialRUBBER
physical_formLYOPHILIZED
overall_length0.115 INCHES MAXIMUM IN
connection_typeTUBE THROUGH CENTER
mounting_methodTERMINAL
terminal_length0.400 INCHES MINIMUM IN
overall_diameter0.330 INCHES NOMINAL IN
special_featuresACTUATED MAGNETICALLY BY PERMANENT MAGNETS IN FLOAT
thread_provisionUNTHREADED
features_providedHERMETICALLY SEALED CASE
cross-sectional_height0.062 INCHES NOMINAL IN
NSN5950-00-488-7021
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available REACTOR TITLE COMPONENT PN 445-0257-004 MFR REACTOR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
2003470Interchangeable
interchangeable cross-reference
interchangeable
7100474P7Interchangeable
interchangeable cross-reference
interchangeable
5155 TERMINALInterchangeable
interchangeable cross-reference
interchangeable
2N4248Interchangeable
interchangeable cross-reference
interchangeable
2N4248AInterchangeable
interchangeable cross-reference
interchangeable
174-70464-31Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 445-0257-004?
445-0257-004 is a REACTOR.
What parts can replace 445-0257-004?
There are 16 known substitutes for 445-0257-004: 2003470, 7100474P7, 5155 TERMINAL and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 445-0257-004?
445-0257-004 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-488-7021. This indicates validated use in U.S. government and defense supply chains.
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