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Technical Data Sheet
420B ✓ Verified by PartsTable
· MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
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Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The SEMICONDUCTOR DEVICE,DIODE is a the manufacturer industrial component. Key specifications include material: SILICON SEMICONDUCTOR, mounting_method: TERMINAL, special_features: WEAPON SYSTEM ESSENTIAL, features_provided: HERMETICALLY SEALED CASE, supplementary_features: CROSS-SECTIONAL SHAPE STYLE:NO.195 IRREGULAR SHAPE FROM FIIG A03200, end_item_identification: HELICOPTER, SEA KING H-3, SEASPRITE H-2; AIRCRAFT, PROWLER EA-6B, KIDD CLASS DDG' FMS-HELICOPTER, SEA KING H-3. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5895-00-811-6466, 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 420B
NSN: 5895-00-811-6466
FSC: 5895
CAGE: 28480 — HEWLETT-PACKARD COMPANY DBA HP (USA)
SPECIFICATIONS
materialSILICON SEMICONDUCTOR
mounting_methodTERMINAL
special_featuresWEAPON SYSTEM ESSENTIAL
features_providedHERMETICALLY SEALED CASE
supplementary_featuresCROSS-SECTIONAL SHAPE STYLE:NO.195 IRREGULAR SHAPE FROM FIIG A03200
end_item_identificationHELICOPTER, SEA KING H-3, SEASPRITE H-2; AIRCRAFT, PROWLER EA-6B, KIDD CLASS DDG' FMS-HELICOPTER, SEA KING H-3
circuit_construction_typeSOLID STATE
terminal_type_and_quantity2 UNINSULATED WIRE LEAD
criticality_code_justificationFEAT
NSN5895-00-811-6466
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SEMICONDUCTOR DEVICE,DIODE TITLE COMPONENT PN 420B MFR SEMICONDUCTOR DEVICE,D
KEY FEATURES
CIRCUIT CONSTRUCTION TYPE: SOLID STATE
CRITICALITY CODE JUSTIFICATION: FEAT
TECHNICAL CHARACTERISTICS (FLIS)
CIRCUIT CONSTRUCTION TYPESOLID STATE
CRITICALITY CODE JUSTIFICATIONFEAT
SPECIAL FEATURESWEAPON SYSTEM ESSENTIAL
END ITEM IDENTIFICATIONHELICOPTER, SEA KING H-3, SEASPRITE H-2; AIRCRAFT, PROWLER EA-6B, KIDD CLASS DDG' FMS-HELICOPTER, SEA KING H-3
CIRCUIT CONSTRUCTION TYPESOLID STATE
CRITICALITY CODE JUSTIFICATIONFEAT
SPECIAL FEATURESWEAPON SYSTEM ESSENTIAL
END ITEM IDENTIFICATIONHELICOPTER, SEA KING H-3, SEASPRITE H-2; AIRCRAFT, PROWLER EA-6B, KIDD CLASS DDG' FMS-HELICOPTER, SEA KING H-3
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
4422Interchangeable
interchangeable cross-reference
interchangeable
891892Interchangeable
interchangeable cross-reference
interchangeable
1109-20Interchangeable
interchangeable cross-reference
interchangeable
B107.1 CL3Interchangeable
interchangeable cross-reference
interchangeable
10034367Interchangeable
interchangeable cross-reference
interchangeable
604Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 420B?
420B is a SEMICONDUCTOR DEVICE,DIODE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 420B?
There are 23 known substitutes for 420B: 4422, 891892, 1109-20 and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 420B?
420B is cataloged in the Federal Logistics Information System (FLIS) under NSN 5895-00-811-6466. This indicates validated use in U.S. government and defense supply chains.
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