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R878B146N — Technical Data Sheet

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DORER ENGINEERING INC DBA O J RODGERS COMPANY · COMPONENT
WHAT YOU NEED TO KNOW
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Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The INDICATOR,WIND SPEED is a DORER ENGINEERING INC DBA O J RODGERS COMPANY industrial component. Key specifications include DEPTH: 4.250 INCHES NOMINAL IN, WIDTH: 4.297 INCHES NOMINAL IN, LENGTH: 4.297 INCHES NOMINAL IN, DC VOLTAGE RATING: 14.6 VOLTS NOMINAL, INFORMATION RECORDED: WIND DIRECTION, MOUNTING FACILITY TYPE AND QUANTITY: 4 UNTHREADED HOLE(S). This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6660-00-620-7870, 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
R878B146N
NSN: 6660-00-620-7870
FSC: 6660
CAGE: 32657 — DORER ENGINEERING INC DBA O J RODGERS COMPANY (USA)
SPECIFICATIONS
DEPTH4.250 INCHES NOMINAL IN
WIDTH4.297 INCHES NOMINAL IN
LENGTH4.297 INCHES NOMINAL IN
DC VOLTAGE RATING14.6 VOLTS NOMINAL
INFORMATION RECORDEDWIND DIRECTION
MOUNTING FACILITY TYPE AND QUANTITY4 UNTHREADED HOLE(S)
NSN6660-00-620-7870
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: DORER ENGINEERING INC DBA O J RODGERS COMPANY INDICATOR,WIND SPEED TITLE COMPONENT PN R878B146N MFR DORER ENGINEERING INC DBA O J RODGERS COMPANY INDICATOR,WIND SPEED
KEY FEATURES
•
INFORMATION RECORDED: WIND DIRECTION
•
DC VOLTAGE RATING: 14.6 VOLTS NOMINAL
•
MOUNTING FACILITY TYPE AND QUANTITY: 4 UNTHREADED HOLE(S)
•
DEPTH: 4.250 INCHES NOMINAL IN
•
LENGTH: 4.297 INCHES NOMINAL IN
•
WIDTH: 4.297 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
INFORMATION RECORDEDWIND DIRECTION
DC VOLTAGE RATING14.6 VOLTS NOMINAL
MOUNTING FACILITY TYPE AND QUANTITY4 UNTHREADED HOLE(S)
DEPTH4.250 INCHES NOMINAL IN
LENGTH4.297 INCHES NOMINAL IN
WIDTH4.297 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
3666-142-5Interchangeable
interchangeable cross-reference
interchangeable
8221DPDTInterchangeable
interchangeable cross-reference
interchangeable
SC650027-2Interchangeable
interchangeable cross-reference
interchangeable
8438363Interchangeable
interchangeable cross-reference
interchangeable
8-221Interchangeable
interchangeable cross-reference
interchangeable
NCS1603Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is R878B146N?
R878B146N is a INDICATOR,WIND SPEED manufactured by DORER ENGINEERING INC DBA O J RODGERS COMPANY.
What parts can replace R878B146N?
There are 17 known substitutes for R878B146N: 3666-142-5, 8221DPDT, SC650027-2 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for R878B146N?
R878B146N is cataloged in the Federal Logistics Information System (FLIS) under NSN 6660-00-620-7870. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: September 2026