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PartsTable / COMPONENT / CR121P
CR121P ✓ 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: 3.062 INCHES NOMINAL IN, body_height: 3.562 INCHES NOMINAL IN, body_length: 4.875 INCHES NOMINAL IN, inclosure_type: FULLY INCLOSED, mounting_method: THREADED STUD(S) SINGLE GROUP, frequency_rating: 47.0 HERTZ MINIMUM AND 63.0 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 5950-00-532-3245, 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
CR121P
NSN: 5950-00-532-3245
FSC: 5950
CAGE: 98675 — ESPEY MFG. & ELECTRONICS CORP. (USA)
SPECIFICATIONS
body_width3.062 INCHES NOMINAL IN
body_height3.562 INCHES NOMINAL IN
body_length4.875 INCHES NOMINAL IN
inclosure_typeFULLY INCLOSED
mounting_methodTHREADED STUD(S) SINGLE GROUP
frequency_rating47.0 HERTZ MINIMUM AND 63.0 HERTZ MAXIMUM SINGLE COMPONENT
nominal_thread_size0.164 INCHES SINGLE GROUP IN
reliability_indicatorNOT ESTABLISHED
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
winding_operating_current10.0 AMPERES AC MAXIMUM SINGLE COMPONENT SINGLE SECONDARY
winding_operating_voltage2.60 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
mounting_facility_quantity4 SINGLE GROUP
NSN5950-00-532-3245
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,POWER TITLE COMPONENT PN CR121P MFR TRANSFORMER,POWER
KEY FEATURES
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH: 2.625 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
•
RELIABILITY INDICATOR: NOT ESTABLISHED
•
WINDING OPERATING VOLTAGE: 2.60 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
•
BODY HEIGHT: 3.562 INCHES NOMINAL IN
•
NOMINAL THREAD SIZE: 0.164 INCHES SINGLE GROUP IN
•
FREQUENCY RATING: 47.0 HERTZ MINIMUM AND 63.0 HERTZ MAXIMUM SINGLE COMPONENT
•
INCLOSURE TYPE: FULLY INCLOSED
TECHNICAL CHARACTERISTICS (FLIS)
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH2.625 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
RELIABILITY INDICATORNOT ESTABLISHED
WINDING OPERATING VOLTAGE2.60 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE SECONDARY
BODY HEIGHT3.562 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.164 INCHES SINGLE GROUP IN
WINDING OPERATING VOLTAGE215.00 AC VOLTS NOMINAL SINGLE COMPONENT SINGLE PRIMARY
FREQUENCY RATING47.0 HERTZ MINIMUM AND 63.0 HERTZ MAXIMUM SINGLE COMPONENT
INCLOSURE TYPEFULLY INCLOSED
BODY LENGTH4.875 INCHES NOMINAL IN
MOUNTING FACILITY QUANTITY4 SINGLE GROUP
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
430-3902-01-02-00Interchangeable
interchangeable cross-reference
interchangeable
3902-1Interchangeable
interchangeable cross-reference
interchangeable
397333Interchangeable
interchangeable cross-reference
interchangeable
364947Interchangeable
interchangeable cross-reference
interchangeable
2595Interchangeable
interchangeable cross-reference
interchangeable
41093Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CR121P?
CR121P is a TRANSFORMER,POWER.
What parts can replace CR121P?
There are 8 known substitutes for CR121P: 430-3902-01-02-00, 3902-1, 397333 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for CR121P?
CR121P is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-532-3245. 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