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Technical Data Sheet
51B426 ✓ 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: 1.500 INCHES NOMINAL IN, body_height: 2.125 INCHES NOMINAL IN, body_length: 1.500 INCHES NOMINAL IN, overall_width: 1.500 INCHES NOMINAL IN, coil_form_type: HOLLOW SINGLE COMPONENT, inclosure_type: FULLY INCLOSED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-188-9772, 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
51B426
NSN: 5950-00-188-9772
FSC: 5950
CAGE: 26916 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP DIV MULTIPLE (USA)
SPECIFICATIONS
body_width1.500 INCHES NOMINAL IN
body_height2.125 INCHES NOMINAL IN
body_length1.500 INCHES NOMINAL IN
overall_width1.500 INCHES NOMINAL IN
coil_form_typeHOLLOW SINGLE COMPONENT
inclosure_typeFULLY INCLOSED
overall_height2.125 INCHES NOMINAL IN
overall_length1.500 INCHES NOMINAL IN
inductance_rating13.80 MICROHENRIES NOMINAL SINGLE COMPONENT ALL PRIMARY
nominal_thread_size0.138 INCHES SINGLE GROUP IN
thread_quantity_per_inch32 SINGLE GROUP
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
NSN5950-00-188-9772
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,RADIO FREQUENCY TITLE COMPONENT PN 51B426 MFR TRANSFORMER,RADIO FREQ
KEY FEATURES
COIL FORM TYPE: HOLLOW SINGLE COMPONENT
DISTANCE BETWEEN MOUNTING FACILITY CENTERS: 1.594 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
BODY LENGTH: 1.500 INCHES NOMINAL IN
BODY WIDTH: 1.500 INCHES NOMINAL IN
THREAD QUANTITY PER INCH: 32 SINGLE GROUP
WINDING FUNCTION AND QUANTITY: 1 PRIMARY SINGLE COMPONENT
TECHNICAL CHARACTERISTICS (FLIS)
COIL FORM TYPEHOLLOW SINGLE COMPONENT
OVERALL LENGTH1.500 INCHES NOMINAL IN
DISTANCE BETWEEN MOUNTING FACILITY CENTERS1.594 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
BODY LENGTH1.500 INCHES NOMINAL IN
BODY WIDTH1.500 INCHES NOMINAL IN
THREAD QUANTITY PER INCH32 SINGLE GROUP
OVERALL HEIGHT2.125 INCHES NOMINAL IN
WINDING FUNCTION AND QUANTITY1 PRIMARY SINGLE COMPONENT
ADJUSTMENT METHOD AND QUANTITY1 ADJUSTABLE CORE SINGLE COMPONENT
OVERALL WIDTH1.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
4987Interchangeable
interchangeable cross-reference
interchangeable
D15-631GPC523-524-526-534Interchangeable
interchangeable cross-reference
interchangeable
D15-631RPC523-524-526-534Interchangeable
interchangeable cross-reference
interchangeable
04987Interchangeable
interchangeable cross-reference
interchangeable
5580NPC5Interchangeable
interchangeable cross-reference
interchangeable
35812Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 51B426?
51B426 is a TRANSFORMER,RADIO FREQUENCY.
What parts can replace 51B426?
There are 9 known substitutes for 51B426: 4987, D15-631GPC523-524-526-534, D15-631RPC523-524-526-534 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 51B426?
51B426 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-00-188-9772. This indicates validated use in U.S. government and defense supply chains.
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