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51D ✓ 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

TRANSFORMER,POWER AUTOTRANSFORME. Key specifications include general_characteristics_item_description: STRAIGHT WOODEN HANDLE W/BRUSH ON END; 3/8X4 IN.. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6220-00-897-5858, 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
51D
NSN: 6220-00-897-5858
FSC: 6220
CAGE: 13226 — BETTS INDUSTRIES, INC. (USA)
SPECIFICATIONS
general_characteristics_item_descriptionSTRAIGHT WOODEN HANDLE W/BRUSH ON END; 3/8X4 IN.
NSN6220-00-897-5858
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,POWER AUTOTRANSFORME TITLE COMPONENT PN 51D MFR TRANSFORMER,POWER AUTO
KEY FEATURES
•
STYLE DESIGNATOR: DOME
•
SURFACE CONDITION: SMOOTH FACE
•
MOUNTING DEVICE QUANTITY: 1
•
OVERALL DIAMETER: 3.156 INCHES NOMINAL IN
•
FLANGE WIDTH: 0.375 INCHES NOMINAL IN
•
MOUNTING METHOD: FLANGE
•
LIGHT TRANSMISSION DESIGN: TRANSPARENT LENS
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORDOME
SURFACE CONDITIONSMOOTH FACE
MOUNTING DEVICE QUANTITY1
SURFACE CONDITIONCONCENTRIC RINGS AND RIBBED BACK
OVERALL DIAMETER3.156 INCHES NOMINAL IN
FLANGE WIDTH0.375 INCHES NOMINAL IN
MOUNTING METHODFLANGE
LIGHT TRANSMISSION DESIGNTRANSPARENT LENS
OVERALL HEIGHT2.250 INCHES NOMINAL IN
MATERIALPLASTIC LENS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
57408Interchangeable
interchangeable cross-reference
interchangeable
607-5-64Interchangeable
interchangeable cross-reference
interchangeable
74004Interchangeable
interchangeable cross-reference
interchangeable
51212Interchangeable
interchangeable cross-reference
interchangeable
4906175-7Interchangeable
interchangeable cross-reference
interchangeable
9975572Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 51D?
51D is a TRANSFORMER,POWER AUTOTRANSFORME.
What parts can replace 51D?
There are 15 known substitutes for 51D: 57408, 607-5-64, 74004 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 51D?
51D is cataloged in the Federal Logistics Information System (FLIS) under NSN 6220-00-897-5858. 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