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PartsTable / COMPONENT / AT-1155
AT-1155 ✓ 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

HEATING ELEMENT,ELECTRICAL,NONIM. Key specifications include phase: SINGLE SINGLE VOLTAGE, flange_thickness: 0.031 INCHES NOMINAL IN, mounting_method_style: FLANGE TYPE MOUNTING FACILITY, end_item_identification: WELLS MODEL WT-720 CONVEYOR-TYPE TOASTER, mounting_facility_width: 2.437 INCHES NOMINAL IN, element_connection_style: STUD TYPE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4520-00-878-3904, 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
AT-1155
NSN: 4520-00-878-3904
FSC: 4520
CAGE: 87446 — WELLS MFG CO (USA)
SPECIFICATIONS
phaseSINGLE SINGLE VOLTAGE
element_quantity2
flange_thickness0.031 INCHES NOMINAL IN
hole_or_slot_quantity3
mounting_method_styleFLANGE TYPE MOUNTING FACILITY
end_item_identificationWELLS MODEL WT-720 CONVEYOR-TYPE TOASTER
mounting_facility_width2.437 INCHES NOMINAL IN
element_connection_styleSTUD TYPE
mounting_facility_length8.250 INCHES NOMINAL IN
maximum_wattage_rating_in_watts4000.0 SINGLE VOLTAGE
voltage_in_volts_and_current_type208.0 AC SINGLE VOLTAGE
center_to_center_distance_between_mounting_facilities_parallel_to_width3.000 INCHES NOMINAL IN
NSN4520-00-878-3904
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available HEATING ELEMENT,ELECTRICAL,NONIM TITLE COMPONENT PN AT-1155 MFR HEATING ELEMENT,ELECTR
KEY FEATURES
•
ELEMENT QUANTITY: 2
•
MOUNTING METHOD STYLE: FLANGE TYPE MOUNTING FACILITY
•
PHASE: SINGLE SINGLE VOLTAGE
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH: 0.375 INCHES NOMINAL IN
•
MOUNTING FACILITY LENGTH: 8.250 INCHES NOMINAL IN
•
HOLE OR SLOT QUANTITY: 3
•
MAXIMUM WATTAGE RATING IN WATTS: 4000.0 SINGLE VOLTAGE
•
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH: 3.000 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
ELEMENT QUANTITY2
MOUNTING METHOD STYLEFLANGE TYPE MOUNTING FACILITY
PHASESINGLE SINGLE VOLTAGE
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH0.375 INCHES NOMINAL IN
MOUNTING FACILITY LENGTH8.250 INCHES NOMINAL IN
HOLE OR SLOT QUANTITY3
MAXIMUM WATTAGE RATING IN WATTS4000.0 SINGLE VOLTAGE
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO WIDTH3.000 INCHES NOMINAL IN
MOUNTING FACILITY WIDTH2.437 INCHES NOMINAL IN
END ITEM IDENTIFICATIONWELLS MODEL WT-720 CONVEYOR-TYPE TOASTER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
5057-3Interchangeable
interchangeable cross-reference
interchangeable
470834Interchangeable
interchangeable cross-reference
interchangeable
377164Interchangeable
interchangeable cross-reference
interchangeable
C13918Interchangeable
interchangeable cross-reference
interchangeable
ILA-MInterchangeable
interchangeable cross-reference
interchangeable
HG93MInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AT-1155?
AT-1155 is a HEATING ELEMENT,ELECTRICAL,NONIM.
What parts can replace AT-1155?
There are 14 known substitutes for AT-1155: 5057-3, 470834, 377164 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AT-1155?
AT-1155 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4520-00-878-3904. 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