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PartsTable / COMPONENT / 639470-030
639470-030 ✓ 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 OVERALL, nut_style: CLINCH, nut_height: 0.132 INCHES NOMINAL IN, nut_diameter: 0.343 INCHES NOMINAL IN, pilot_length: 0.038 INCHES NOMINAL IN, thread_class: 2B. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-208-3242, 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
639470-030
NSN: 5310-00-208-3242
FSC: 5310
CAGE: 12436 — BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. DIV BAE SYSTEMS INFORMATION & ELECTRONIC SYSTEMS INTEGRATION INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleCLINCH
nut_height0.132 INCHES NOMINAL IN
nut_diameter0.343 INCHES NOMINAL IN
pilot_length0.038 INCHES NOMINAL IN
thread_class2B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
pilot_diameter0.212 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentCADMIUM OVERALL
nominal_thread_size0.164 INCHES IN
thread_quantity_per_inch32
NSN5310-00-208-3242
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 639470-030 · 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
•
SURFACE TREATMENT: CADMIUM OVERALL
•
MATERIAL: STEEL OVERALL
•
PILOT DIAMETER: 0.212 INCHES NOMINAL IN
•
NOMINAL THREAD SIZE: 0.164 INCHES IN
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
THREAD QUANTITY PER INCH: 32
•
THREAD CLASS: 2B
•
PILOT LENGTH: 0.038 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTCADMIUM OVERALL
MATERIALSTEEL OVERALL
PILOT DIAMETER0.212 INCHES NOMINAL IN
NOMINAL THREAD SIZE0.164 INCHES IN
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD QUANTITY PER INCH32
THREAD CLASS2B
PILOT LENGTH0.038 INCHES NOMINAL IN
NUT HEIGHT0.132 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
10051242Interchangeable
interchangeable cross-reference
interchangeable
5340PL1524834Interchangeable
interchangeable cross-reference
interchangeable
C2080338-1Interchangeable
interchangeable cross-reference
interchangeable
60-4-12Interchangeable
interchangeable cross-reference
interchangeable
FFB571ANDCLASSAInterchangeable
interchangeable cross-reference
interchangeable
604-1/2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 639470-030?
639470-030 is a NUT,PLAIN,CLINCH.
What parts can replace 639470-030?
There are 11 known substitutes for 639470-030: 10051242, 5340PL1524834, C2080338-1 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 639470-030?
639470-030 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-208-3242. 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