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50331E — Technical Data Sheet

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— · COMPONENT
WHAT YOU NEED TO KNOW
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Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

TRANSFORMER,POWER AUTOTRANSFORME. Key specifications include body_style: UNSHIELDED, THREADED POST, GASKET SEAT, reach_length: 0.625 INCHES NOMINAL IN, usage_design: ENGINE OTHER THAN AIRCRAFT, electrode_style: THREE ROUND GROUND ELECTRODE, pressure_rating: 95.0 POUNDS PER SQUARE INCH (PSI) NOMINAL MEAN EFFECTIVE LBS, special_features: INDUSTRIAL-COMMERCIAL SERIES. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 2920-00-248-8815, 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
50331E
NSN: 2920-00-248-8815
FSC: 2920
CAGE: 64104 — DRESSER, LLC (USA)
SPECIFICATIONS
body_styleUNSHIELDED, THREADED POST, GASKET SEAT
reach_length0.625 INCHES NOMINAL IN
usage_designENGINE OTHER THAN AIRCRAFT
electrode_styleTHREE ROUND GROUND ELECTRODE
pressure_rating95.0 POUNDS PER SQUARE INCH (PSI) NOMINAL MEAN EFFECTIVE LBS
special_featuresINDUSTRIAL-COMMERCIAL SERIES
width_across_flats1.000 INCHES NOMINAL IN
seat_major_diameter1.000 INCHES MAXIMUM IN
nondefinitive_spec/std_data3 TYPE AND B CLASS
height_above_mounting_surface2.320 INCHES NOMINAL IN
NSN2920-00-248-8815
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,POWER AUTOTRANSFORME TITLE COMPONENT PN 50331E MFR TRANSFORMER,POWER AUTO
KEY FEATURES
•
TEST DATA DOCUMENT: 81348-WS506 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
•
NONDEFINITIVE SPEC/STD DATA: 3 TYPE AND B CLASS
•
ELECTRODE STYLE: THREE ROUND GROUND ELECTRODE
•
REACH LENGTH: 0.625 INCHES NOMINAL IN
•
BODY STYLE: UNSHIELDED, THREADED POST, GASKET SEAT
•
SEAT MAJOR DIAMETER: 1.000 INCHES MAXIMUM IN
•
HEIGHT ABOVE MOUNTING SURFACE: 2.320 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
SPECIAL FEATURESINDUSTRIAL-COMMERCIAL SERIES
TEST DATA DOCUMENT81348-WS506 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
NONDEFINITIVE SPEC/STD DATA3 TYPE AND B CLASS
ELECTRODE STYLETHREE ROUND GROUND ELECTRODE
REACH LENGTH0.625 INCHES NOMINAL IN
BODY STYLEUNSHIELDED, THREADED POST, GASKET SEAT
SEAT MAJOR DIAMETER1.000 INCHES MAXIMUM IN
HEIGHT ABOVE MOUNTING SURFACE2.320 INCHES NOMINAL IN
WIDTH ACROSS FLATS1.000 INCHES NOMINAL IN
PRESSURE RATING95.0 POUNDS PER SQUARE INCH (PSI) NOMINAL MEAN EFFECTIVE LBS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
1454-NPADXInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
830674-00InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
830674InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
S8-1415InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
CM1415InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
262-0456-010InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 50331E?
50331E is a TRANSFORMER,POWER AUTOTRANSFORME.
What parts can replace 50331E?
There are 19 known substitutes for 50331E: 1454-NPADX, 830674-00, 830674 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 50331E?
50331E is cataloged in the Federal Logistics Information System under NSN 2920-00-248-8815. This indicates validated use in U.S. government and defense supply chains.
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Last verified: September 2026