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Technical Data Sheet
PartsTable / COMPONENT / E1221
E1221 ✓ 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,RADIO FREQUENCY is a the manufacturer industrial component. Key specifications include body_width: 0.750 INCHES NOMINAL IN, body_height: 0.906 INCHES MAXIMUM IN, rating_method: WINDING TURNS SINGLE COMPONENT ALL SECONDARY, turn_quantity: 610 SINGLE COMPONENT ALL SECONDARY, coil_form_type: SOLID SINGLE COMPONENT, drill_diameter: 0.125 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5120-00-223-8967, 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
E1221
NSN: 5120-00-223-8967
FSC: 5120
CAGE: 55719 — IDSC HOLDINGS LLC DIV SNAP-ON INDUSTRIAL, A DIV. OF IDSC HOLDINGS , LLC (USA)
SPECIFICATIONS
body_width0.750 INCHES NOMINAL IN
body_height0.906 INCHES MAXIMUM IN
rating_methodWINDING TURNS SINGLE COMPONENT ALL SECONDARY
turn_quantity610 SINGLE COMPONENT ALL SECONDARY
coil_form_typeSOLID SINGLE COMPONENT
drill_diameter0.125 INCHES NOMINAL IN
inclosure_typeFULLY INCLOSED
overall_length1.531 INCHES NOMINAL IN
mounting_methodUNTHREADED HOLE(S) SINGLE GROUP
outside_diameter0.375 INCHES IN
special_featuresONE PRIMARY WINDING AND SIX SECONDARY WINDINGS
features_providedCOLOR CODED LEAD
NSN5120-00-223-8967
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,RADIO FREQUENCY TITLE COMPONENT PN E1221 MFR TRANSFORMER,RADIO FREQ
KEY FEATURES
•
DRILL DIAMETER: 0.125 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 0.375 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
DRILL DIAMETER0.125 INCHES NOMINAL IN
OUTSIDE DIAMETER0.375 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
35780Interchangeable
interchangeable cross-reference
interchangeable
AS35780Interchangeable
interchangeable cross-reference
interchangeable
35765Interchangeable
interchangeable cross-reference
interchangeable
GGG-E-936Interchangeable
interchangeable cross-reference
interchangeable
E921Interchangeable
interchangeable cross-reference
interchangeable
E1421Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is E1221?
E1221 is a TRANSFORMER,RADIO FREQUENCY.
What parts can replace E1221?
There are 22 known substitutes for E1221: 35780, AS35780, 35765 and 19 more. Substitute compatibility should be verified for your specific system.
Is E1221 still available?
E1221 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