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Technical Data Sheet
PartsTable / COMPONENT / FS8537-667
FS8537-667 ✓ 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,POWER is a the manufacturer industrial component. Key specifications include body_width: 1.688 INCHES MINIMUM AND 1.812 INCHES MAXIMUM IN, body_height: 2.562 INCHES MINIMUM AND 2.750 INCHES MAXIMUM IN, body_length: 1.812 INCHES MINIMUM AND 1.938 INCHES MAXIMUM IN, inclosure_type: HERMETICALLY SEALED, overall_height: 3.188 INCHES MAXIMUM IN, mounting_method: THREADED STUD(S) SINGLE GROUP. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-853-7667, 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
FS8537-667
NSN: 5950-00-853-7667
FSC: 5950
CAGE: 56662 — FREQUENCY SELECTIVE NETWORKS, INC. DBA FREQUENCY SELECTIVE NETWORKS INC (USA)
SPECIFICATIONS
body_width1.688 INCHES MINIMUM AND 1.812 INCHES MAXIMUM IN
body_height2.562 INCHES MINIMUM AND 2.750 INCHES MAXIMUM IN
body_length1.812 INCHES MINIMUM AND 1.938 INCHES MAXIMUM IN
inclosure_typeHERMETICALLY SEALED
overall_height3.188 INCHES MAXIMUM IN
mounting_methodTHREADED STUD(S) SINGLE GROUP
frequency_rating380.0 HERTZ MINIMUM AND 1.2 KILOHERTZ MAXIMUM SINGLE COMPONENT
nominal_thread_size0.138 INCHES SINGLE GROUP IN
reliability_indicatorNOT ESTABLISHED
thread_quantity_per_inch32 SINGLE GROUP
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
winding_shielding_methodINTERNAL SHIELD GROUNDED TO INCLOSURE AND CORE SINGLE COMPONENT
NSN5950-00-853-7667
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,POWER TITLE COMPONENT PN FS8537-667 MFR TRANSFORMER,POWER
KEY FEATURES
•
RELIABILITY INDICATOR: NOT ESTABLISHED
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH: 1.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
•
WINDING OPERATING VOLTAGE: 5.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
•
TERMINAL TYPE AND QUANTITY: 5 SOLDER STUD
•
NOMINAL THREAD SIZE: 0.138 INCHES SINGLE GROUP IN
•
WINDING FUNCTION AND QUANTITY: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
•
FREQUENCY RATING: 380.0 HERTZ MINIMUM AND 1.2 KILOHERTZ MAXIMUM SINGLE COMPONENT
TECHNICAL CHARACTERISTICS (FLIS)
RELIABILITY INDICATORNOT ESTABLISHED
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH1.375 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
OVERALL HEIGHT3.188 INCHES MAXIMUM IN
WINDING OPERATING VOLTAGE5.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
TERMINAL TYPE AND QUANTITY5 SOLDER STUD
NOMINAL THREAD SIZE0.138 INCHES SINGLE GROUP IN
WINDING FUNCTION AND QUANTITY1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
FREQUENCY RATING380.0 HERTZ MINIMUM AND 1.2 KILOHERTZ MAXIMUM SINGLE COMPONENT
BODY LENGTH1.812 INCHES MINIMUM AND 1.938 INCHES MAXIMUM IN
WINDING OPERATING CURRENT6.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
4-2541Interchangeable
interchangeable cross-reference
interchangeable
7378860Interchangeable
interchangeable cross-reference
interchangeable
425-4Interchangeable
interchangeable cross-reference
interchangeable
PEI 8635Interchangeable
Same NIIN cross-reference
interchangeable
C16824Interchangeable
Same NIIN cross-reference
interchangeable
994499-01Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is FS8537-667?
FS8537-667 is a TRANSFORMER,POWER.
What parts can replace FS8537-667?
There are 6 known substitutes for FS8537-667: 4-2541, 7378860, 425-4 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for FS8537-667?
FS8537-667 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-853-7667. 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: July 2026