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Technical Data Sheet
124-5200177 PC 43 ✓ Verified by PartsTable
· NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, nut_style: HEXAGON, nut_height: 5.50 MILLIMETERS NOMINAL MM, 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 5310-01-469-9118, 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
124-5200177 PC 43
NSN: 5310-01-469-9118
FSC: 5310
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
nut_styleHEXAGON
nut_height5.50 MILLIMETERS NOMINAL MM
thread_class2B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
thread_directionRIGHT-HAND
width_across_flats13.0 MILLIMETERS NOMINAL MM
nominal_thread_size0.0010 INCHES IN
bearing_surface_typeCHAMFERED
thread_pitch_diameters+0.1629 TO 0.1672 INCHES IN
end_item_identificationUSED ON NIMITZ CLASS CVN
thread_quantity_per_inch24
NSN5310-01-469-9118
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 124-5200177 PC 43 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
THREAD DIRECTION: RIGHT-HAND
NUT STYLE: HEXAGON
THREAD PITCH DIAMETERS: +0.1629 TO 0.1672 INCHES IN
THREAD CLASS: 2B
NUT HEIGHT: 5.50 MILLIMETERS NOMINAL MM
BEARING SURFACE TYPE: CHAMFERED
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONRIGHT-HAND
NUT STYLEHEXAGON
THREAD PITCH DIAMETERS+0.1629 TO 0.1672 INCHES IN
THREAD CLASS2B
END ITEM IDENTIFICATIONUSED ON NIMITZ CLASS CVN
NUT HEIGHT5.50 MILLIMETERS NOMINAL MM
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
BEARING SURFACE TYPECHAMFERED
THREAD QUANTITY PER INCH24
NOMINAL THREAD SIZE0.0010 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
124-4322648 PC 19Interchangeable
interchangeable cross-reference
interchangeable
124-5589897 PC 28Interchangeable
interchangeable cross-reference
interchangeable
124-4366739 PC 36Interchangeable
interchangeable cross-reference
interchangeable
5200227Interchangeable
interchangeable cross-reference
interchangeable
124-5200227 PC 19Interchangeable
interchangeable cross-reference
interchangeable
124-5200227 PC 20Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 124-5200177 PC 43?
124-5200177 PC 43 is a NUT,PLAIN,HEXAGON.
What parts can replace 124-5200177 PC 43?
There are 15 known substitutes for 124-5200177 PC 43: 124-4322648 PC 19, 124-5589897 PC 28, 124-4366739 PC 36 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 124-5200177 PC 43?
124-5200177 PC 43 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-469-9118. This indicates validated use in U.S. government and defense supply chains.
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