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Technical Data Sheet
9978021 ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
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PRODUCT OVERVIEW

The PLUG,MACHINE THREAD is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_type: CORED, head_height: 0.149 INCHES NOMINAL IN, thread_class: 3A EXTERNAL A, thread_length: 0.218 INCHES NOMINAL EXTERNAL IN, overall_length: 0.625 INCHES NOMINAL 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 5365-00-736-0386, 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
9978021
NSN: 5365-00-736-0386
FSC: 5365
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
head_typeCORED
head_height0.149 INCHES NOMINAL IN
thread_class3A EXTERNAL A
thread_length0.218 INCHES NOMINAL EXTERNAL IN
overall_length0.625 INCHES NOMINAL IN
connection_stylePLAIN
style_designatorPLUG, MACHINE
thread_directionRIGHT-HAND EXTERNAL
surface_treatmentCHROMIUM OVERALL
head_core_diameter0.370 INCHES NOMINAL IN
nominal_thread_size0.562 INCHES EXTERNAL IN
NSN5365-00-736-0386
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available PLUG,MACHINE THREAD TITLE COMPONENT PN 9978021 MFR PLUG,MACHINE THREAD
KEY FEATURES
THREAD LENGTH: 0.218 INCHES NOMINAL EXTERNAL IN
HEAD TYPE: CORED
WASHER FACE THICKNESS: 0.102 INCHES NOMINAL IN
THREAD DIRECTION: RIGHT-HAND EXTERNAL
WASHER FACE DIAMETER: 0.590 INCHES MINIMUM AND 0.592 INCHES MAXIMUM IN
NOMINAL THREAD SIZE: 0.562 INCHES EXTERNAL IN
THREAD CLASS: 3A EXTERNAL A
CONNECTION STYLE: PLAIN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD LENGTH0.218 INCHES NOMINAL EXTERNAL IN
HEAD TYPECORED
WASHER FACE THICKNESS0.102 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND EXTERNAL
WASHER FACE DIAMETER0.590 INCHES MINIMUM AND 0.592 INCHES MAXIMUM IN
NOMINAL THREAD SIZE0.562 INCHES EXTERNAL IN
THREAD CLASS3A EXTERNAL A
CONNECTION STYLEPLAIN
MATERIALSTEEL CORROSION RESISTING OVERALL
THREAD SERIES DESIGNATORUNF EXTERNAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
5905001048363Interchangeable
interchangeable cross-reference
interchangeable
R25820JInterchangeable
interchangeable cross-reference
interchangeable
20-2820Interchangeable
interchangeable cross-reference
interchangeable
7235Interchangeable
interchangeable cross-reference
interchangeable
NB1Interchangeable
interchangeable cross-reference
interchangeable
H491Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 9978021?
9978021 is a PLUG,MACHINE THREAD.
What parts can replace 9978021?
There are 15 known substitutes for 9978021: 5905001048363, R25820J, 20-2820 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 9978021?
9978021 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5365-00-736-0386. This indicates validated use in U.S. government and defense supply chains.
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