PartsTable
Technical Data Sheet
SK4683 ✓ 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,PLATE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1108 OVERALL, nut_style: PLATE, nut_height: 0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN, plate_width: 0.475 INCHES NOMINAL IN, thread_class: 3B, thread_series: UNIFIED NATIONAL COARSE (UNC). This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-596-6560, 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
SK4683
NSN: 5310-00-596-6560
FSC: 5310
CAGE: 25472 — GOODRICH CORPORATION (USA)
SPECIFICATIONS
materialSTEEL COMP 1108 OVERALL
nut_stylePLATE
nut_height0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN
plate_width0.475 INCHES NOMINAL IN
thread_class3B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
thread_directionRIGHT-HAND
surface_treatmentCADMIUM OVERALL
nominal_thread_size0.250 INCHES IN
thread_quantity_per_inch20
material_document_and_classification66 FED STD SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationQQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5310-00-596-6560
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: SK4683 · 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: 3B
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
NOMINAL THREAD SIZE: 0.250 INCHES IN
THREAD QUANTITY PER INCH: 20
PLATE WIDTH: 0.475 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
NUT STYLE: PLATE
NUT HEIGHT: 0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS3B
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
NOMINAL THREAD SIZE0.250 INCHES IN
THREAD QUANTITY PER INCH20
PLATE WIDTH0.475 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
NUT STYLEPLATE
NUT HEIGHT0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 1,CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
RRF183Interchangeable
interchangeable cross-reference
interchangeable
6008T1Interchangeable
interchangeable cross-reference
interchangeable
BWA3200158Interchangeable
interchangeable cross-reference
interchangeable
S25-200Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SK4683?
SK4683 is a NUT,PLAIN,PLATE.
What parts can replace SK4683?
There are 4 known substitutes for SK4683: RRF183, 6008T1, BWA3200158 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SK4683?
SK4683 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-596-6560. This indicates validated use in U.S. government and defense supply chains.
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