PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 667-9521-00
667-9521-00 ✓ 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 TRANSFORMER,AUDIO FREQUENCY is a the manufacturer industrial component. Key specifications include body_width: 0.875 INCHES NOMINAL IN, body_height: 1.625 INCHES NOMINAL IN, body_length: 0.875 INCHES NOMINAL IN, inclosure_type: HERMETICALLY SEALED, mounting_method: THREADED HOLE(S) SINGLE GROUP, frequency_rating: 300.0 HERTZ MINIMUM AND 22.0 KILOHERTZ MAXIMUM SINGLE COMPONENT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-914-7751, 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
667-9521-00
NSN: 5950-00-914-7751
FSC: 5950
CAGE: 13499 — ROCKWELL COLLINS, INC. DBA COLLINS AEROSPACE GOVERNMENT SYSTEMS DIV COLLINS AEROSPACE - GOVERNMENT SYSTEMS (USA)
SPECIFICATIONS
body_width0.875 INCHES NOMINAL IN
body_height1.625 INCHES NOMINAL IN
body_length0.875 INCHES NOMINAL IN
inclosure_typeHERMETICALLY SEALED
mounting_methodTHREADED HOLE(S) SINGLE GROUP
frequency_rating300.0 HERTZ MINIMUM AND 22.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
nominal_thread_size0.112 INCHES SINGLE GROUP IN
reliability_indicatorNOT ESTABLISHED
impedance_rating_in_ohms600.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
thread_quantity_per_inch40 SINGLE GROUP
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
winding_operating_current50.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
NSN5950-00-914-7751
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,AUDIO FREQUENCY TITLE COMPONENT PN 667-9521-00 MFR TRANSFORMER,AUDIO FREQ
KEY FEATURES
•
RELIABILITY INDICATOR: NOT ESTABLISHED
•
INCLOSURE TYPE: HERMETICALLY SEALED
•
TERMINAL TYPE AND QUANTITY: 4 PIN
•
BODY WIDTH: 0.875 INCHES NOMINAL IN
•
THREAD QUANTITY PER INCH: 40 SINGLE GROUP
•
MOUNTING METHOD: THREADED HOLE(S) SINGLE GROUP
•
IMPEDANCE RATING IN OHMS: 600.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
•
WINDING OPERATING CURRENT: 50.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
TECHNICAL CHARACTERISTICS (FLIS)
RELIABILITY INDICATORNOT ESTABLISHED
INCLOSURE TYPEHERMETICALLY SEALED
TERMINAL TYPE AND QUANTITY4 PIN
BODY WIDTH0.875 INCHES NOMINAL IN
THREAD QUANTITY PER INCH40 SINGLE GROUP
MOUNTING METHODTHREADED HOLE(S) SINGLE GROUP
IMPEDANCE RATING IN OHMS600.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
WINDING OPERATING CURRENT50.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE PRIMARY
DISTANCE BETWEEN MOUNTING FACILITY CENTERS0.562 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
MOUNTING FACILITY QUANTITY2 SINGLE GROUP
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
10300Interchangeable
interchangeable cross-reference
interchangeable
1431000Interchangeable
interchangeable cross-reference
interchangeable
WW-N-351Interchangeable
interchangeable cross-reference
interchangeable
30957Interchangeable
interchangeable cross-reference
interchangeable
110F083-1Interchangeable
interchangeable cross-reference
interchangeable
FA60-1156Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 667-9521-00?
667-9521-00 is a TRANSFORMER,AUDIO FREQUENCY.
What parts can replace 667-9521-00?
There are 7 known substitutes for 667-9521-00: 10300, 1431000, WW-N-351 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 667-9521-00?
667-9521-00 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-914-7751. This indicates validated use in U.S. government and defense supply chains.
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Last verified: July 2026