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PartsTable / COMPONENT / SL218-3-4
SL218-3-4 ✓ 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,CLIP-ON is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: FLOATINGFLOATING, temp_rating: 450.0 FAHRENHEIT MAXIMUM450.0 FAHRENHEIT MAXIMUM DEGF, thread_class: 3B3B, overall_width: 0.193 INCHES MAXIMUM0.193 INCHES MAXIMUM IN, thread_series: UNIFIED NATIONAL JOINT FINE (UNJF)UNIFIED NATIONAL JOINT FINE (UNJF). This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-070-1795, 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
SL218-3-4
NSN: 5310-01-070-1795
FSC: 5310
CAGE: 97393 — SPS TECHNOLOGIES LLC DBA SHUR-LOK COMPANY DIV AEROSPACE ENGINEERED PRODUCTS DIVISION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleFLOATINGFLOATING
temp_rating450.0 FAHRENHEIT MAXIMUM450.0 FAHRENHEIT MAXIMUM DEGF
thread_class3B3B
overall_width0.193 INCHES MAXIMUM0.193 INCHES MAXIMUM IN
thread_seriesUNIFIED NATIONAL JOINT FINE (UNJF)UNIFIED NATIONAL JOINT FINE (UNJF)
hardness_rating46.0 ROCKWELL C MAXIMUM46.0 ROCKWELL C MAXIMUM
locking_featurePREVAILING TORQUE ALL METAL DESIGNPREVAILING TORQUE ALL METAL DESIGN
panel_thickness0.610 INCHES MINIMUM0.610 INCHES MINIMUM IN
thread_directionRIGHT-HANDRIGHT-HAND
surface_treatmentCADMIUM AND CHROMATE OVERALL
nominal_thread_size0.190 INCHES0.190 INCHES IN
NSN5310-01-070-1795
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: SL218-3-4 · 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: 3B3B
•
PANEL THICKNESS: 0.610 INCHES MINIMUM0.610 INCHES MINIMUM IN
•
TEMP RATING: 450.0 FAHRENHEIT MAXIMUM450.0 FAHRENHEIT MAXIMUM DEGF
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
•
LOCKING FEATURE: PREVAILING TORQUE ALL METAL DESIGNPREVAILING TORQUE ALL METAL DESIGN
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL WIDTH0.193 INCHES MAXIMUM0.193 INCHES MAXIMUM IN
THREAD CLASS3B3B
PANEL THICKNESS0.610 INCHES MINIMUM0.610 INCHES MINIMUM IN
TEMP RATING450.0 FAHRENHEIT MAXIMUM450.0 FAHRENHEIT MAXIMUM DEGF
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGNPREVAILING TORQUE ALL METAL DESIGN
MATERIALSTEEL OVERALL
THREAD QUANTITY PER INCH3232
HARDNESS RATING46.0 ROCKWELL C MAXIMUM46.0 ROCKWELL C MAXIMUM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
1300-10Interchangeable
interchangeable cross-reference
interchangeable
30-00059Interchangeable
interchangeable cross-reference
interchangeable
10109022Interchangeable
interchangeable cross-reference
interchangeable
350-1300-10-07-00Interchangeable
interchangeable cross-reference
interchangeable
367116-2Interchangeable
interchangeable cross-reference
interchangeable
350-1300-10-07Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SL218-3-4?
SL218-3-4 is a NUT,CLIP-ON.
What parts can replace SL218-3-4?
There are 11 known substitutes for SL218-3-4: 1300-10, 30-00059, 10109022 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SL218-3-4?
SL218-3-4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-070-1795. 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