PartsTable
Technical Data Sheet
3780 ✓ Verified by PartsTable
Zyxel · 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

FILTER,RADIO FREQUENCY INTERFERE. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5815-00-065-4864, 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 3780
NSN: 5815-00-065-4864
FSC: 5815
CAGE: 26344 — NEW HAVEN MFG CORP (USA)
SPECIFICATIONS
Part Number3780
ManufacturerZyxel
NSN5815-00-065-4864
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: Zyxel FILTER,RADIO FREQUENCY INTERFERE TITLE COMPONENT PN 3780 MFR Zyxel FILTER,RADIO FREQUENCY
KEY FEATURES
FSC APPLICATION DATA: TELETYPE AND FACSIMILE EQUIPMENT
TECHNICAL CHARACTERISTICS (FLIS)
FSC APPLICATION DATATELETYPE AND FACSIMILE EQUIPMENT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
ST783AInterchangeable
interchangeable cross-reference
interchangeable
043491Interchangeable
interchangeable cross-reference
interchangeable
75H167Interchangeable
interchangeable cross-reference
interchangeable
3780Interchangeable
interchangeable cross-reference
interchangeable
O-C-265Interchangeable
interchangeable cross-reference
interchangeable
S347-500Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3780?
3780 is a FILTER,RADIO FREQUENCY INTERFERE manufactured by Zyxel. It is classified as a MRO (MRO_GENERAL).
What parts can replace 3780?
There are 15 known substitutes for 3780: ST783A, 043491, 75H167 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3780?
3780 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5815-00-065-4864. This indicates validated use in U.S. government and defense supply chains.
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