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3R4119 ✓ 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,HEADLESS is a the manufacturer industrial component. Key specifications include diameter: 0.625 INCHES NOMINAL IN, material: STEEL COMP 1045 OVERALL, overall_length: 2.937 INCHES NOMINAL IN, undercut_width: 0.039 INCHES NOMINAL IN, first_end_style: SQUARE, effective_length: 2.625 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-913-3932, 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
3R4119
NSN: 5315-00-913-3932
FSC: 5315
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
diameter0.625 INCHES NOMINAL IN
materialSTEEL COMP 1045 OVERALL
overall_length2.937 INCHES NOMINAL IN
undercut_width0.039 INCHES NOMINAL IN
first_end_styleSQUARE
effective_length2.625 INCHES NOMINAL IN
style_designatorGROOVE
undercut_diameter0.588 INCHES NOMINAL IN
first_end_locationBOTH ENDS
second_undercut_width0.039 INCHES NOMINAL IN
material_document_and_classificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
second_end_relationship_with_first_endIDENTICAL
NSN5315-00-913-3932
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 3R4119 · 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
•
SECOND UNDERCUT WIDTH: 0.039 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 1045 OVERALL
•
UNDERCUT DIAMETER: 0.588 INCHES NOMINAL IN
•
FIRST END STYLE: SQUARE
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
UNDERCUT WIDTH: 0.039 INCHES NOMINAL IN
•
STYLE DESIGNATOR: GROOVE
TECHNICAL CHARACTERISTICS (FLIS)
SECOND UNDERCUT WIDTH0.039 INCHES NOMINAL IN
MATERIALSTEEL COMP 1045 OVERALL
UNDERCUT DIAMETER0.588 INCHES NOMINAL IN
FIRST END STYLESQUARE
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
UNDERCUT WIDTH0.039 INCHES NOMINAL IN
STYLE DESIGNATORGROOVE
EFFECTIVE LENGTH2.625 INCHES NOMINAL IN
FIRST END LOCATIONBOTH ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
80006Interchangeable
interchangeable cross-reference
interchangeable
G980-006Interchangeable
interchangeable cross-reference
interchangeable
GD80-006Interchangeable
interchangeable cross-reference
interchangeable
M80006Interchangeable
interchangeable cross-reference
interchangeable
M89181Interchangeable
interchangeable cross-reference
interchangeable
800006-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3R4119?
3R4119 is a PIN,GROOVED,HEADLESS.
What parts can replace 3R4119?
There are 14 known substitutes for 3R4119: 80006, G980-006, GD80-006 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3R4119?
3R4119 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-913-3932. 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