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Technical Data Sheet
PartsTable / COMPONENT / M28221
M28221 ✓ 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 phase: THREE, width: 0.250 INCHES NOMINAL IN, length: 0.438 INCHES NOMINAL IN, radius: 0.370 INCHES NOMINAL IN, material: GRAPHITE, tip_type: PHILLIPS CROSS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4320-00-168-0901, 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
M28221
NSN: 4320-00-168-0901
FSC: 4320
CAGE: 76122 — INDUSTRIAL TECHNOLOGIES AND SERVICES LLC (USA)
SPECIFICATIONS
phaseTHREE
width0.250 INCHES NOMINAL IN
length0.438 INCHES NOMINAL IN
radius0.370 INCHES NOMINAL IN
materialGRAPHITE
tip_typePHILLIPS CROSS
thickness0.156 INCHES NOMINAL IN
body_styleRECTANGULAR COMMUTATOR
duty_cycleCONTINUOUS
body_length0.128 INCHES NOMINAL IN
ambient_temp50.0 CELSIUS DEGC
control_typeREMOTE
NSN4320-00-168-0901
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COIL,RADIO FREQUENCY TITLE COMPONENT PN M28221 MFR COIL,RADIO FREQUENCY
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
22934Interchangeable
interchangeable cross-reference
interchangeable
SDM323AInterchangeable
interchangeable cross-reference
interchangeable
37879-2Interchangeable
interchangeable cross-reference
interchangeable
A20-1AInterchangeable
interchangeable cross-reference
interchangeable
2105-3Interchangeable
interchangeable cross-reference
interchangeable
A20-1ABInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M28221?
M28221 is a COIL,RADIO FREQUENCY.
What parts can replace M28221?
There are 24 known substitutes for M28221: 22934, SDM323A, 37879-2 and 21 more. Substitute compatibility should be verified for your specific system.
Is M28221 still available?
M28221 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