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PartsTable / COMPONENT / 124-4399311 PC 34
124-4399311 PC 34 ✓ 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: STEEL CORROSION RESISTING OVERALL, nut_style: HEXAGON, nut_height: 2.000 INCHES NOMINAL 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 5310-01-469-8999, 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
124-4399311 PC 34
NSN: 5310-01-469-8999
FSC: 5310
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
nut_styleHEXAGON
nut_height2.000 INCHES NOMINAL IN
thread_class2B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
thread_directionRIGHT-HAND
width_across_flats3.562 INCHES NOMINAL IN
nominal_thread_size3.562 INCHES IN
bearing_surface_typeCHAMFERED
thread_pitch_diameters+2.1688 TO 2.1792 INCHES IN
end_item_identificationUSED ON NIMITZ CLASS CVN
thread_quantity_per_inch8
NSN5310-01-469-8999
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 124-4399311 PC 34 · 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 PITCH DIAMETERS: +2.1688 TO 2.1792 INCHES IN
•
THREAD CLASS: 2B
•
BEARING SURFACE TYPE: CHAMFERED
•
THREAD QUANTITY PER INCH: 8
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
NOMINAL THREAD SIZE: 3.562 INCHES IN
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
WIDTH ACROSS FLATS: 3.562 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD PITCH DIAMETERS+2.1688 TO 2.1792 INCHES IN
THREAD CLASS2B
BEARING SURFACE TYPECHAMFERED
THREAD QUANTITY PER INCH8
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
NOMINAL THREAD SIZE3.562 INCHES IN
MATERIALSTEEL CORROSION RESISTING OVERALL
WIDTH ACROSS FLATS3.562 INCHES NOMINAL IN
NUT STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
4322650Interchangeable
interchangeable cross-reference
interchangeable
124-4322650 PC 72Interchangeable
interchangeable cross-reference
interchangeable
124-7121006 PC70Interchangeable
interchangeable cross-reference
interchangeable
88-22790Interchangeable
interchangeable cross-reference
interchangeable
124-7121006 PC 13Interchangeable
interchangeable cross-reference
interchangeable
124-4399311 PC32Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 124-4399311 PC 34?
124-4399311 PC 34 is a NUT,PLAIN,HEXAGON.
What parts can replace 124-4399311 PC 34?
There are 15 known substitutes for 124-4399311 PC 34: 4322650, 124-4322650 PC 72, 124-7121006 PC70 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 124-4399311 PC 34?
124-4399311 PC 34 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-469-8999. 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