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PartsTable / COMPONENT / 3L6773
3L6773 ✓ 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 PIN,GROOVED,HEADED is a the manufacturer industrial component. Key specifications include height: 0.188 INCHES NOMINAL IN, diameter: 0.250 INCHES NOMINAL IN, material: STEEL CORROSION RESISTING OVERALL, head_style: BINDING, undercut_width: 0.188 INCHES NOMINAL IN, first_end_style: SQUARE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-852-2483, 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
3L6773
NSN: 5315-00-852-2483
FSC: 5315
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
height0.188 INCHES NOMINAL IN
diameter0.250 INCHES NOMINAL IN
materialSTEEL CORROSION RESISTING OVERALL
head_styleBINDING
undercut_width0.188 INCHES NOMINAL IN
first_end_styleSQUARE
effective_length0.500 INCHES NOMINAL IN
style_designatorGROOVE
pin_head_diameter0.250 INCHES NOMINAL IN
surface_treatmentPASSIVATE OVERALL
under_head_length0.750 INCHES NOMINAL IN
undercut_diameter0.188 INCHES NOMINAL IN
NSN5315-00-852-2483
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 3L6773 · 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
•
EFFECTIVE LENGTH: 0.500 INCHES NOMINAL IN
•
UNDER HEAD LENGTH: 0.750 INCHES NOMINAL IN
•
UNDERCUT WIDTH: 0.188 INCHES NOMINAL IN
•
FIRST END STYLE: SQUARE
•
HEAD STYLE: BINDING
•
DIAMETER: 0.250 INCHES NOMINAL IN
•
HEIGHT: 0.188 INCHES NOMINAL IN
•
PIN HEAD DIAMETER: 0.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
EFFECTIVE LENGTH0.500 INCHES NOMINAL IN
UNDER HEAD LENGTH0.750 INCHES NOMINAL IN
UNDERCUT WIDTH0.188 INCHES NOMINAL IN
FIRST END STYLESQUARE
HEAD STYLEBINDING
DIAMETER0.250 INCHES NOMINAL IN
HEIGHT0.188 INCHES NOMINAL IN
PIN HEAD DIAMETER0.250 INCHES NOMINAL IN
UNDERCUT DIAMETER0.188 INCHES NOMINAL IN
SECOND UNDERCUT DIAMETER0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
125023Interchangeable
interchangeable cross-reference
interchangeable
GPW3593Interchangeable
interchangeable cross-reference
interchangeable
VT223Interchangeable
interchangeable cross-reference
interchangeable
033046Interchangeable
interchangeable cross-reference
interchangeable
03040-150Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3L6773?
3L6773 is a PIN,GROOVED,HEADED.
What parts can replace 3L6773?
There are 5 known substitutes for 3L6773: 125023, GPW3593, VT223 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3L6773?
3L6773 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-852-2483. 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