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PartsTable / COMPONENT / 321-556
321-556 ✓ 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 COIL,RADIO FREQUENCY is a the manufacturer industrial component. Key specifications include material: STEEL, body_length: 0.656 INCHES NOMINAL IN, rating_method: ELECTRICAL SINGLE COMPONENT SINGLE WINDING, coil_form_type: SOLID SINGLE COMPONENT, inclosure_type: FULLY INCLOSED, quality_factor: 41 MINIMUM SINGLE COMPONENT SINGLE WINDING. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-727-1363, 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
321-556
NSN: 5950-00-727-1363
FSC: 5950
CAGE: 90073 — CMC ELECTRONICS INC (CAN)
SPECIFICATIONS
materialSTEEL
body_length0.656 INCHES NOMINAL IN
rating_methodELECTRICAL SINGLE COMPONENT SINGLE WINDING
coil_form_typeSOLID SINGLE COMPONENT
inclosure_typeFULLY INCLOSED
quality_factor41 MINIMUM SINGLE COMPONENT SINGLE WINDING
first_leg_angle90.0 DEGREES NOMINAL
first_leg_styleSQUARE
first_leg_width1.000 INCHES NOMINAL IN
mounting_methodTERMINAL SINGLE GROUP
first_leg_length1.250 INCHES NOMINAL IN
overall_diameter0.425 INCHES NOMINAL IN
NSN5950-00-727-1363
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COIL,RADIO FREQUENCY TITLE COMPONENT PN 321-556 MFR COIL,RADIO FREQUENCY
KEY FEATURES
•
TERMINAL TYPE AND QUANTITY: 2 WIRE LEAD
•
RELIABILITY INDICATOR: NOT ESTABLISHED
•
DC RESISTANCE RATING IN OHMS: 0.670 SINGLE COMPONENT SINGLE WINDING
•
INCLOSURE TYPE: FULLY INCLOSED
•
OVERALL DIAMETER: 0.425 INCHES NOMINAL IN
•
BODY LENGTH: 0.656 INCHES NOMINAL IN
•
WINDING OPERATING CURRENT: 600.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
•
COIL FORM TYPE: SOLID SINGLE COMPONENT
TECHNICAL CHARACTERISTICS (FLIS)
TERMINAL TYPE AND QUANTITY2 WIRE LEAD
RELIABILITY INDICATORNOT ESTABLISHED
DC RESISTANCE RATING IN OHMS0.670 SINGLE COMPONENT SINGLE WINDING
INCLOSURE TYPEFULLY INCLOSED
OVERALL DIAMETER0.425 INCHES NOMINAL IN
BODY LENGTH0.656 INCHES NOMINAL IN
WINDING OPERATING CURRENT600.0 MILLIAMPERES DC MAXIMUM SINGLE COMPONENT SINGLE WINDING
COIL FORM TYPESOLID SINGLE COMPONENT
MOUNTING METHODTERMINAL SINGLE GROUP
QUALITY FACTOR41 MINIMUM SINGLE COMPONENT SINGLE WINDING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
24103Interchangeable
interchangeable cross-reference
interchangeable
24103-1-03NInterchangeable
interchangeable cross-reference
interchangeable
512779-3Interchangeable
interchangeable cross-reference
interchangeable
208Interchangeable
interchangeable cross-reference
interchangeable
2012-T 24Interchangeable
interchangeable cross-reference
interchangeable
11416Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 321-556?
321-556 is a COIL,RADIO FREQUENCY.
What parts can replace 321-556?
There are 22 known substitutes for 321-556: 24103, 24103-1-03N, 512779-3 and 19 more. Substitute compatibility should be verified for your specific system.
Is 321-556 still available?
321-556 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026