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PartsTable / COMPONENT / NCN4S1-3
NCN4S1-3 ✓ 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,CLINCH is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, nut_style: CLINCH, nut_height: 0.085 INCHES NOMINAL IN, temp_rating: 300.0 CELSIUS MAXIMUM DEGC, thread_class: 3A A, thread_series: UNIFIED NATIONAL COARSE (UNC). This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-406-0699, 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
NCN4S1-3
NSN: 5310-00-406-0699
FSC: 5310
CAGE: 57227 — PICS SCREW MACHINE, INC. DBA PICS SCREW MACHINE INC (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
nut_styleCLINCH
nut_height0.085 INCHES NOMINAL IN
temp_rating300.0 CELSIUS MAXIMUM DEGC
thread_class3A A
thread_seriesUNIFIED NATIONAL COARSE (UNC)
pilot_diameter0.201 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
width_across_flats0.188 INCHES NOMINAL IN
nominal_thread_size0.112 INCHES IN
thread_quantity_per_inch40
NSN5310-00-406-0699
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: NCN4S1-3 · 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 CLASS: 2B
•
NOMINAL THREAD SIZE: 0.112 INCHES IN
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
THREAD QUANTITY PER INCH: 40
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
WIDTH ACROSS FLATS: 0.188 INCHES NOMINAL IN
•
PILOT DIAMETER: 0.157 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS2B
NOMINAL THREAD SIZE0.112 INCHES IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH40
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTPASSIVATE OVERALL
WIDTH ACROSS FLATS0.188 INCHES NOMINAL IN
PILOT DIAMETER0.157 INCHES NOMINAL IN
NUT STYLECLINCH
THREAD DIRECTIONRIGHT-HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 35
NCN6-1-3Interchangeable
interchangeable cross-reference
interchangeable
MS3214-7Interchangeable
interchangeable cross-reference
interchangeable
8908409Interchangeable
interchangeable cross-reference
interchangeable
10116586Interchangeable
interchangeable cross-reference
interchangeable
34NO62FL4-40Interchangeable
interchangeable cross-reference
interchangeable
486071-6Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NCN4S1-3?
NCN4S1-3 is a NUT,PLAIN,CLINCH.
What parts can replace NCN4S1-3?
There are 35 known substitutes for NCN4S1-3: NCN6-1-3, MS3214-7, 8908409 and 32 more. Substitute compatibility should be verified for your specific system.
Is NCN4S1-3 still available?
NCN4S1-3 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026