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PartsTable / COMPONENT / 21C043-0
21C043-0 ✓ 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 material: ALUMINUM ALLOY SHEATH, body_style: SINGLE HEAT RING, terminal_length: 0.563 INCHES NOMINAL IN, thread_quantity: 32.0 PER INCH STUD, outside_diameter: 7.500 INCHES NOMINAL IN, nominal_thread_size: 0.190 INCHES STUD IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4520-00-404-9232, 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
21C043-0
NSN: 4520-00-404-9232
FSC: 4520
CAGE: 26916 — NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP DIV MULTIPLE (USA)
SPECIFICATIONS
materialALUMINUM ALLOY SHEATH
body_styleSINGLE HEAT RING
heat_quantity1
terminal_length0.563 INCHES NOMINAL IN
thread_quantity32.0 PER INCH STUD
element_quantity1
outside_diameter7.500 INCHES NOMINAL IN
terminal_quantity2
nominal_thread_size0.190 INCHES STUD IN
element_connection_styleSTUD TYPE
thread_series_designatorUNF STUD
element_radiation_spectrumNONINFRARED
NSN4520-00-404-9232
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available HEATING ELEMENT,ELECTRICAL,NONIM TITLE COMPONENT PN 21C043-0 MFR HEATING ELEMENT,ELECTR
KEY FEATURES
•
TERMINAL QUANTITY: 2
•
THREAD SERIES DESIGNATOR: UNF STUD
•
OUTSIDE DIAMETER: 7.500 INCHES NOMINAL IN
•
MATERIAL: ALUMINUM ALLOY SHEATH
•
NOMINAL THREAD SIZE: 0.190 INCHES STUD IN
•
TERMINAL LENGTH: 0.563 INCHES NOMINAL IN
•
ELEMENT QUANTITY: 1
•
ELEMENT RADIATION SPECTRUM: NONINFRARED
TECHNICAL CHARACTERISTICS (FLIS)
TERMINAL QUANTITY2
THREAD SERIES DESIGNATORUNF STUD
OUTSIDE DIAMETER7.500 INCHES NOMINAL IN
MATERIALALUMINUM ALLOY SHEATH
NOMINAL THREAD SIZE0.190 INCHES STUD IN
TERMINAL LENGTH0.563 INCHES NOMINAL IN
ELEMENT QUANTITY1
ELEMENT RADIATION SPECTRUMNONINFRARED
THREAD QUANTITY32.0 PER INCH STUD
HEAT QUANTITY1
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
119920Interchangeable
interchangeable cross-reference
interchangeable
WWN351Interchangeable
interchangeable cross-reference
interchangeable
BM11352-99Interchangeable
interchangeable cross-reference
interchangeable
3954Interchangeable
interchangeable cross-reference
interchangeable
1844Interchangeable
interchangeable cross-reference
interchangeable
4P8Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21C043-0?
21C043-0 is a HEATING ELEMENT,ELECTRICAL,NONIM.
What parts can replace 21C043-0?
There are 16 known substitutes for 21C043-0: 119920, WWN351, BM11352-99 and 13 more. Substitute compatibility should be verified for your specific system.
Is 21C043-0 still available?
21C043-0 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026