PartsTable
Technical Data Sheet
124-4322634 PC 31 ✓ 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 OVERALL, nut_style: HEXAGON, nut_height: 0.535 INCHES MINIMUM AND 0.559 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 5310-01-475-7192, 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
124-4322634 PC 31
NSN: 5310-01-475-7192
FSC: 5310
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
nut_height0.535 INCHES MINIMUM AND 0.559 INCHES MAXIMUM IN
thread_class2B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
thread_directionRIGHT-HAND
surface_treatmentZINC OVERALL
width_across_flats0.922 INCHES MINIMUM AND 0.938 INCHES MAXIMUM IN
nominal_thread_size0.625 INCHES IN
bearing_surface_typeCHAMFERED
thread_quantity_per_inch11
material_document_and_classificationSAE J995 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-01-475-7192
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 124-4322634 PC 31 · 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 QUANTITY PER INCH: 11
BEARING SURFACE TYPE: CHAMFERED
NOMINAL THREAD SIZE: 0.625 INCHES IN
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
MATERIAL: STEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION: SAE J995 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT: ZINC OVERALL
NUT HEIGHT: 0.535 INCHES MINIMUM AND 0.559 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD QUANTITY PER INCH11
BEARING SURFACE TYPECHAMFERED
NOMINAL THREAD SIZE0.625 INCHES IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
MATERIALSTEEL OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONSAE J995 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENTZINC OVERALL
NUT HEIGHT0.535 INCHES MINIMUM AND 0.559 INCHES MAXIMUM IN
WIDTH ACROSS FLATS0.922 INCHES MINIMUM AND 0.938 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
1900973Interchangeable
interchangeable cross-reference
interchangeable
02363-7Interchangeable
interchangeable cross-reference
interchangeable
124-1900973 PART NO. 50Interchangeable
interchangeable cross-reference
interchangeable
124-4322635 PC 12Interchangeable
interchangeable cross-reference
interchangeable
4322618Interchangeable
interchangeable cross-reference
interchangeable
124-4322618 ASSY 81Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 124-4322634 PC 31?
124-4322634 PC 31 is a NUT,PLAIN,HEXAGON.
What parts can replace 124-4322634 PC 31?
There are 19 known substitutes for 124-4322634 PC 31: 1900973, 02363-7, 124-1900973 PART NO. 50 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 124-4322634 PC 31?
124-4322634 PC 31 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-475-7192. This indicates validated use in U.S. government and defense supply chains.
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