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PartsTable / COMPONENT / M5503
M5503 ✓ 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 REACTOR is a the manufacturer industrial component. Key specifications include body_length: 0.781 INCHES MAXIMUM IN, rating_method: ELECTRICAL SINGLE COMPONENT SINGLE WINDING, inclosure_type: FULLY INCLOSED, inductance_type: FIXED, mounting_method: THREADED HOLE(S) SINGLE GROUP, frequency_rating: 1.0 HERTZ MINIMUM AND 400.0 HERTZ 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 5950-00-086-3394, 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
M5503
NSN: 5950-00-086-3394
FSC: 5950
CAGE: 93346 — CAES SYSTEMS LLC (USA)
SPECIFICATIONS
body_length0.781 INCHES MAXIMUM IN
rating_methodELECTRICAL SINGLE COMPONENT SINGLE WINDING
inclosure_typeFULLY INCLOSED
inductance_typeFIXED
mounting_methodTHREADED HOLE(S) SINGLE GROUP
frequency_rating1.0 HERTZ MINIMUM AND 400.0 HERTZ MAXIMUM SINGLE COMPONENT
winding_quantity1 SINGLE COMPONENT
inductance_rating1.00 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
nominal_thread_size0.138 INCHES SINGLE GROUP IN
body_outside_diameter1.250 INCHES MAXIMUM IN
reliability_indicatorNOT ESTABLISHED
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
NSN5950-00-086-3394
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available REACTOR TITLE COMPONENT PN M5503 MFR REACTOR
KEY FEATURES
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
•
FREQUENCY RATING: 1.0 HERTZ MINIMUM AND 400.0 HERTZ MAXIMUM SINGLE COMPONENT
•
RATING METHOD: ELECTRICAL SINGLE COMPONENT SINGLE WINDING
•
WINDING OPERATING CURRENT: 1.5 AMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
•
INDUCTANCE TYPE: FIXED
•
RELIABILITY INDICATOR: NOT ESTABLISHED
•
NOMINAL THREAD SIZE: 0.138 INCHES SINGLE GROUP IN
•
TERMINAL TYPE AND QUANTITY: 2 SOLDERLESS LUG
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
FREQUENCY RATING1.0 HERTZ MINIMUM AND 400.0 HERTZ MAXIMUM SINGLE COMPONENT
RATING METHODELECTRICAL SINGLE COMPONENT SINGLE WINDING
WINDING OPERATING CURRENT1.5 AMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
INDUCTANCE TYPEFIXED
RELIABILITY INDICATORNOT ESTABLISHED
NOMINAL THREAD SIZE0.138 INCHES SINGLE GROUP IN
TERMINAL TYPE AND QUANTITY2 SOLDERLESS LUG
INDUCTANCE RATING1.00 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
WINDING QUANTITY1 SINGLE COMPONENT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
7731Interchangeable
interchangeable cross-reference
interchangeable
051018002Interchangeable
interchangeable cross-reference
interchangeable
A-A-2348 TYBST2GR2Interchangeable
interchangeable cross-reference
interchangeable
A-A-2348Interchangeable
interchangeable cross-reference
interchangeable
77-1-18Interchangeable
interchangeable cross-reference
interchangeable
FR1205Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M5503?
M5503 is a REACTOR.
What parts can replace M5503?
There are 8 known substitutes for M5503: 7731, 051018002, A-A-2348 TYBST2GR2 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M5503?
M5503 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-086-3394. 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