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PartsTable / COMPONENT / 54021A
54021A ✓ 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 PLUG,MACHINE THREAD is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 745, construction: ONE-PIECE, outside_diameter: 0.437 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 0.116 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5365-00-264-1977, 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
54021A
NSN: 5365-00-264-1977
FSC: 5365
CAGE: 00781 — CESSNA AIRCRAFT CO ARC AVIONICS DIV (USA)
SPECIFICATIONS
materialCOPPER ALLOY 745
constructionONE-PIECE
outside_diameter0.437 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter0.116 INCHES NOMINAL IN
NSN5365-00-264-1977
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PLUG,MACHINE THREAD TITLE COMPONENT PN 54021A MFR PLUG,MACHINE THREAD
KEY FEATURES
•
OUTSIDE DIAMETER: 0.437 INCHES NOMINAL IN
•
APERTURE DIAMETER: 0.116 INCHES NOMINAL IN
•
CONSTRUCTION: ONE-PIECE
•
STYLE DESIGNATOR: CIRCULAR
•
MATERIAL: COPPER ALLOY 745
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER0.437 INCHES NOMINAL IN
APERTURE DIAMETER0.116 INCHES NOMINAL IN
CONSTRUCTIONONE-PIECE
STYLE DESIGNATORCIRCULAR
MATERIALCOPPER ALLOY 745
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
201Interchangeable
interchangeable cross-reference
interchangeable
85479Interchangeable
interchangeable cross-reference
interchangeable
TAM1161Interchangeable
interchangeable cross-reference
interchangeable
0085479Interchangeable
interchangeable cross-reference
interchangeable
54021AInterchangeable
interchangeable cross-reference
interchangeable
2030-6Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 54021A?
54021A is a PLUG,MACHINE THREAD.
What parts can replace 54021A?
There are 10 known substitutes for 54021A: 201, 85479, TAM1161 and 7 more. Substitute compatibility should be verified for your specific system.
Is 54021A still available?
54021A 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