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Technical Data Sheet
PartsTable / COMPONENT / 21F18
21F18 ✓ 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: 2.500 INCHES NOMINAL IN, body_height: 3.125 INCHES NOMINAL IN, body_length: 2.250 INCHES NOMINAL IN, inclosure_type: FULLY INCLOSED, mounting_method: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP, frequency_rating: 50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM SINGLE COMPONENT. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-686-6230, 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
21F18
NSN: 5950-00-686-6230
FSC: 5950
CAGE: 80220 — COMPONENTS CORP OF AMERICA (USA)
SPECIFICATIONS
body_width2.500 INCHES NOMINAL IN
body_height3.125 INCHES NOMINAL IN
body_length2.250 INCHES NOMINAL IN
inclosure_typeFULLY INCLOSED
mounting_methodFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
frequency_rating50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM SINGLE COMPONENT
winding_power_rating50.0 VOLTS-AMPERES SINGLE COMPONENT SINGLE SECONDARY
reliability_indicatorNOT ESTABLISHED
mounting_hole_diameter0.188 INCHES NOMINAL SINGLE GROUP IN
winding_operating_current5.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
winding_operating_voltage10.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
mounting_facility_quantity4 SINGLE GROUP
NSN5950-00-686-6230
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,POWER TITLE COMPONENT PN 21F18 MFR TRANSFORMER,POWER
KEY FEATURES
•
WINDING OPERATING VOLTAGE: 117.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
•
WINDING POWER RATING: 50.0 VOLTS-AMPERES SINGLE COMPONENT SINGLE SECONDARY
•
MOUNTING METHOD: FLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
•
BODY WIDTH: 2.500 INCHES NOMINAL IN
•
INPUT-OUTPUT PHASE RELATIONSHIP: SINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
•
INCLOSURE TYPE: FULLY INCLOSED
•
FREQUENCY RATING: 50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM SINGLE COMPONENT
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH: 2.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
TECHNICAL CHARACTERISTICS (FLIS)
WINDING OPERATING VOLTAGE117.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
WINDING POWER RATING50.0 VOLTS-AMPERES SINGLE COMPONENT SINGLE SECONDARY
MOUNTING METHODFLANGE AND UNTHREADED HOLE(S) SINGLE GROUP
BODY WIDTH2.500 INCHES NOMINAL IN
INPUT-OUTPUT PHASE RELATIONSHIPSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
INCLOSURE TYPEFULLY INCLOSED
FREQUENCY RATING50.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM SINGLE COMPONENT
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH2.000 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
WINDING OPERATING VOLTAGE10.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
MOUNTING FACILITY QUANTITY4 SINGLE GROUP
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
HAS-015KInterchangeable
interchangeable cross-reference
interchangeable
30082Interchangeable
interchangeable cross-reference
interchangeable
B-300-8-2Interchangeable
interchangeable cross-reference
interchangeable
3-2 DBZ-BInterchangeable
interchangeable cross-reference
interchangeable
16-30082Interchangeable
interchangeable cross-reference
interchangeable
9977316Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21F18?
21F18 is a TRANSFORMER,POWER.
What parts can replace 21F18?
There are 19 known substitutes for 21F18: HAS-015K, 30082, B-300-8-2 and 16 more. Substitute compatibility should be verified for your specific system.
Is 21F18 still available?
21F18 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