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M40A ✓ 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 MOUNTING is a the manufacturer industrial component. Key specifications include body_length: 0.625 INCHES NOMINAL IN, thread_class: 2A SINGLE MOUNTING FACILITY A, terminal_type: TAB, SOLDER LUG, coil_form_type: HOLLOW SINGLE COMPONENT, inclosure_type: OPEN, mounting_method: THREADED BUSHING SINGLE MOUNTING FACILITY. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5975-00-897-9959, 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
M40A
NSN: 5975-00-897-9959
FSC: 5975
CAGE: 00781 — CESSNA AIRCRAFT CO ARC AVIONICS DIV (USA)
SPECIFICATIONS
body_length0.625 INCHES NOMINAL IN
thread_class2A SINGLE MOUNTING FACILITY A
terminal_typeTAB, SOLDER LUG
coil_form_typeHOLLOW SINGLE COMPONENT
inclosure_typeOPEN
mounting_methodTHREADED BUSHING SINGLE MOUNTING FACILITY
overall_diameter1.250 INCHES NOMINAL IN
style_designatorCIRCULAR WAFER, BUSHING MOUNT
inductance_rating0.30 MICROHENRIES NOMINAL SINGLE COMPONENT SINGLE PRIMARY
precious_materialSILVER
drive_surface_size0.500 INCHES NOMINAL BOTH ENDS IN
nominal_thread_size0.375 INCHES SINGLE MOUNTING FACILITY IN
NSN5975-00-897-9959
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available MOUNTING TITLE COMPONENT PN M40A MFR MOUNTING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
21756Interchangeable
interchangeable cross-reference
interchangeable
PM21756Interchangeable
interchangeable cross-reference
interchangeable
D000922-06Interchangeable
interchangeable cross-reference
interchangeable
B12136Interchangeable
interchangeable cross-reference
interchangeable
756-4655Interchangeable
interchangeable cross-reference
interchangeable
21758Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M40A?
M40A is a MOUNTING.
What parts can replace M40A?
There are 7 known substitutes for M40A: 21756, PM21756, D000922-06 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M40A?
M40A is cataloged in the Federal Logistics Information System (FLIS) under NSN 5975-00-897-9959. 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