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Technical Data Sheet
N9556 ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
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Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The TRANSFORMER,AUDIO FREQUENCY is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, nut_style: HEXAGON, nut_height: 0.258 INCHES MINIMUM AND 0.273 INCHES MAXIMUM IN, thread_class: 2B, thread_series: UNIFIED NATIONAL COARSE (UNC), thread_direction: RIGHT-HAND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2510-00-618-5129, 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
N9556
NSN: 2510-00-618-5129
FSC: 2510
CAGE: 56442 — DIAMOND REO TRUCK CO (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
nut_styleHEXAGON
nut_height0.258 INCHES MINIMUM AND 0.273 INCHES MAXIMUM IN
thread_class2B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
thread_directionRIGHT-HAND
width_across_flats0.489 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
nominal_thread_size0.312 INCHES IN
bearing_surface_typeWASHER FACED
thread_quantity_per_inch18
NSN2510-00-618-5129
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,AUDIO FREQUENCY TITLE COMPONENT PN N9556 MFR TRANSFORMER,AUDIO FREQ
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
R73PC7Interchangeable
interchangeable cross-reference
interchangeable
BS5-1413ALT1PC21Interchangeable
interchangeable cross-reference
interchangeable
BS4-1412ALT1PC21Interchangeable
interchangeable cross-reference
interchangeable
H9Interchangeable
interchangeable cross-reference
interchangeable
H9NInterchangeable
interchangeable cross-reference
interchangeable
GC851BV1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is N9556?
N9556 is a TRANSFORMER,AUDIO FREQUENCY.
What parts can replace N9556?
There are 16 known substitutes for N9556: R73PC7, BS5-1413ALT1PC21, BS4-1412ALT1PC21 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for N9556?
N9556 is cataloged in the Federal Logistics Information System (FLIS) under NSN 2510-00-618-5129. This indicates validated use in U.S. government and defense supply chains.
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